+++ /dev/null
-/*
- * Copyright 2011 Christoph Bumiller
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "tgsi/tgsi_build.h"
-#include "tgsi/tgsi_dump.h"
-#include "tgsi/tgsi_scan.h"
-#include "tgsi/tgsi_util.h"
-
-#include <set>
-
-#include "nv50_ir.h"
-#include "nv50_ir_from_common.h"
-#include "nv50_ir_util.h"
-
-namespace tgsi {
-
-class Source;
-
-static nv50_ir::operation translateOpcode(uint opcode);
-static nv50_ir::DataFile translateFile(uint file);
-static nv50_ir::TexTarget translateTexture(uint texTarg);
-static nv50_ir::SVSemantic translateSysVal(uint sysval);
-static nv50_ir::CacheMode translateCacheMode(uint qualifier);
-
-class Instruction
-{
-public:
- Instruction(const struct tgsi_full_instruction *inst) : insn(inst) { }
-
- class SrcRegister
- {
- public:
- SrcRegister(const struct tgsi_full_src_register *src)
- : reg(src->Register),
- fsr(src)
- { }
-
- SrcRegister(const struct tgsi_src_register& src) : reg(src), fsr(NULL) { }
-
- SrcRegister(const struct tgsi_ind_register& ind)
- : reg(tgsi_util_get_src_from_ind(&ind)),
- fsr(NULL)
- { }
-
- struct tgsi_src_register offsetToSrc(struct tgsi_texture_offset off)
- {
- struct tgsi_src_register reg;
- memset(®, 0, sizeof(reg));
- reg.Index = off.Index;
- reg.File = off.File;
- reg.SwizzleX = off.SwizzleX;
- reg.SwizzleY = off.SwizzleY;
- reg.SwizzleZ = off.SwizzleZ;
- return reg;
- }
-
- SrcRegister(const struct tgsi_texture_offset& off) :
- reg(offsetToSrc(off)),
- fsr(NULL)
- { }
-
- uint getFile() const { return reg.File; }
-
- bool is2D() const { return reg.Dimension; }
-
- bool isIndirect(int dim) const
- {
- return (dim && fsr) ? fsr->Dimension.Indirect : reg.Indirect;
- }
-
- int getIndex(int dim) const
- {
- return (dim && fsr) ? fsr->Dimension.Index : reg.Index;
- }
-
- int getSwizzle(int chan) const
- {
- return tgsi_util_get_src_register_swizzle(®, chan);
- }
-
- int getArrayId() const
- {
- if (isIndirect(0))
- return fsr->Indirect.ArrayID;
- return 0;
- }
-
- nv50_ir::Modifier getMod(int chan) const;
-
- SrcRegister getIndirect(int dim) const
- {
- assert(fsr && isIndirect(dim));
- if (dim)
- return SrcRegister(fsr->DimIndirect);
- return SrcRegister(fsr->Indirect);
- }
-
- uint32_t getValueU32(int c, const uint32_t *data) const
- {
- assert(reg.File == TGSI_FILE_IMMEDIATE);
- assert(!reg.Absolute);
- assert(!reg.Negate);
- return data[reg.Index * 4 + getSwizzle(c)];
- }
-
- private:
- const struct tgsi_src_register reg;
- const struct tgsi_full_src_register *fsr;
- };
-
- class DstRegister
- {
- public:
- DstRegister(const struct tgsi_full_dst_register *dst)
- : reg(dst->Register),
- fdr(dst)
- { }
-
- DstRegister(const struct tgsi_dst_register& dst) : reg(dst), fdr(NULL) { }
-
- uint getFile() const { return reg.File; }
-
- bool is2D() const { return reg.Dimension; }
-
- bool isIndirect(int dim) const
- {
- return (dim && fdr) ? fdr->Dimension.Indirect : reg.Indirect;
- }
-
- int getIndex(int dim) const
- {
- return (dim && fdr) ? fdr->Dimension.Dimension : reg.Index;
- }
-
- unsigned int getMask() const { return reg.WriteMask; }
-
- bool isMasked(int chan) const { return !(getMask() & (1 << chan)); }
-
- SrcRegister getIndirect(int dim) const
- {
- assert(fdr && isIndirect(dim));
- if (dim)
- return SrcRegister(fdr->DimIndirect);
- return SrcRegister(fdr->Indirect);
- }
-
- struct tgsi_full_src_register asSrc()
- {
- assert(fdr);
- return tgsi_full_src_register_from_dst(fdr);
- }
-
- int getArrayId() const
- {
- if (isIndirect(0))
- return fdr->Indirect.ArrayID;
- return 0;
- }
-
- private:
- const struct tgsi_dst_register reg;
- const struct tgsi_full_dst_register *fdr;
- };
-
- inline uint getOpcode() const { return insn->Instruction.Opcode; }
-
- unsigned int srcCount() const { return insn->Instruction.NumSrcRegs; }
- unsigned int dstCount() const { return insn->Instruction.NumDstRegs; }
-
- // mask of used components of source s
- unsigned int srcMask(unsigned int s) const;
- unsigned int texOffsetMask() const;
-
- SrcRegister getSrc(unsigned int s) const
- {
- assert(s < srcCount());
- return SrcRegister(&insn->Src[s]);
- }
-
- DstRegister getDst(unsigned int d) const
- {
- assert(d < dstCount());
- return DstRegister(&insn->Dst[d]);
- }
-
- SrcRegister getTexOffset(unsigned int i) const
- {
- assert(i < TGSI_FULL_MAX_TEX_OFFSETS);
- return SrcRegister(insn->TexOffsets[i]);
- }
-
- unsigned int getNumTexOffsets() const { return insn->Texture.NumOffsets; }
-
- bool checkDstSrcAliasing() const;
-
- inline nv50_ir::operation getOP() const {
- return translateOpcode(getOpcode()); }
-
- nv50_ir::DataType inferSrcType() const;
- nv50_ir::DataType inferDstType() const;
-
- nv50_ir::CondCode getSetCond() const;
-
- nv50_ir::TexInstruction::Target getTexture(const Source *, int s) const;
-
- const nv50_ir::TexInstruction::ImgFormatDesc *getImageFormat() const {
- return nv50_ir::TexInstruction::translateImgFormat((enum pipe_format)insn->Memory.Format);
- }
-
- nv50_ir::TexTarget getImageTarget() const {
- return translateTexture(insn->Memory.Texture);
- }
-
- nv50_ir::CacheMode getCacheMode() const {
- if (!insn->Instruction.Memory)
- return nv50_ir::CACHE_CA;
- return translateCacheMode(insn->Memory.Qualifier);
- }
-
- inline uint getLabel() { return insn->Label.Label; }
-
- unsigned getSaturate() const { return insn->Instruction.Saturate; }
-
- void print() const
- {
- tgsi_dump_instruction(insn, 1);
- }
-
-private:
- const struct tgsi_full_instruction *insn;
-};
-
-unsigned int Instruction::texOffsetMask() const
-{
- const struct tgsi_instruction_texture *tex = &insn->Texture;
- assert(insn->Instruction.Texture);
-
- switch (tex->Texture) {
- case TGSI_TEXTURE_BUFFER:
- case TGSI_TEXTURE_1D:
- case TGSI_TEXTURE_SHADOW1D:
- case TGSI_TEXTURE_1D_ARRAY:
- case TGSI_TEXTURE_SHADOW1D_ARRAY:
- return 0x1;
- case TGSI_TEXTURE_2D:
- case TGSI_TEXTURE_SHADOW2D:
- case TGSI_TEXTURE_2D_ARRAY:
- case TGSI_TEXTURE_SHADOW2D_ARRAY:
- case TGSI_TEXTURE_RECT:
- case TGSI_TEXTURE_SHADOWRECT:
- case TGSI_TEXTURE_2D_MSAA:
- case TGSI_TEXTURE_2D_ARRAY_MSAA:
- return 0x3;
- case TGSI_TEXTURE_3D:
- return 0x7;
- default:
- assert(!"Unexpected texture target");
- return 0xf;
- }
-}
-
-unsigned int Instruction::srcMask(unsigned int s) const
-{
- unsigned int mask = insn->Dst[0].Register.WriteMask;
-
- switch (insn->Instruction.Opcode) {
- case TGSI_OPCODE_COS:
- case TGSI_OPCODE_SIN:
- return (mask & 0x8) | ((mask & 0x7) ? 0x1 : 0x0);
- case TGSI_OPCODE_DP2:
- return 0x3;
- case TGSI_OPCODE_DP3:
- return 0x7;
- case TGSI_OPCODE_DP4:
- case TGSI_OPCODE_KILL_IF: /* WriteMask ignored */
- return 0xf;
- case TGSI_OPCODE_DST:
- return mask & (s ? 0xa : 0x6);
- case TGSI_OPCODE_EX2:
- case TGSI_OPCODE_EXP:
- case TGSI_OPCODE_LG2:
- case TGSI_OPCODE_LOG:
- case TGSI_OPCODE_POW:
- case TGSI_OPCODE_RCP:
- case TGSI_OPCODE_RSQ:
- return 0x1;
- case TGSI_OPCODE_IF:
- case TGSI_OPCODE_UIF:
- return 0x1;
- case TGSI_OPCODE_LIT:
- return 0xb;
- case TGSI_OPCODE_TEX2:
- case TGSI_OPCODE_TXB2:
- case TGSI_OPCODE_TXL2:
- return (s == 0) ? 0xf : 0x3;
- case TGSI_OPCODE_TEX:
- case TGSI_OPCODE_TXB:
- case TGSI_OPCODE_TXD:
- case TGSI_OPCODE_TXL:
- case TGSI_OPCODE_TXP:
- case TGSI_OPCODE_TXF:
- case TGSI_OPCODE_TG4:
- case TGSI_OPCODE_TEX_LZ:
- case TGSI_OPCODE_TXF_LZ:
- case TGSI_OPCODE_LODQ:
- {
- const struct tgsi_instruction_texture *tex = &insn->Texture;
-
- assert(insn->Instruction.Texture);
-
- mask = 0x7;
- if (insn->Instruction.Opcode != TGSI_OPCODE_TEX &&
- insn->Instruction.Opcode != TGSI_OPCODE_TEX_LZ &&
- insn->Instruction.Opcode != TGSI_OPCODE_TXF_LZ &&
- insn->Instruction.Opcode != TGSI_OPCODE_TXD)
- mask |= 0x8; /* bias, lod or proj */
-
- switch (tex->Texture) {
- case TGSI_TEXTURE_1D:
- mask &= 0x9;
- break;
- case TGSI_TEXTURE_SHADOW1D:
- mask &= 0xd;
- break;
- case TGSI_TEXTURE_1D_ARRAY:
- case TGSI_TEXTURE_2D:
- case TGSI_TEXTURE_RECT:
- mask &= 0xb;
- break;
- case TGSI_TEXTURE_CUBE_ARRAY:
- case TGSI_TEXTURE_SHADOW2D_ARRAY:
- case TGSI_TEXTURE_SHADOWCUBE:
- case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
- mask |= 0x8;
- break;
- default:
- break;
- }
- }
- return mask;
- case TGSI_OPCODE_TXQ:
- return 1;
- case TGSI_OPCODE_D2I:
- case TGSI_OPCODE_D2U:
- case TGSI_OPCODE_D2F:
- case TGSI_OPCODE_DSLT:
- case TGSI_OPCODE_DSGE:
- case TGSI_OPCODE_DSEQ:
- case TGSI_OPCODE_DSNE:
- case TGSI_OPCODE_U64SEQ:
- case TGSI_OPCODE_U64SNE:
- case TGSI_OPCODE_I64SLT:
- case TGSI_OPCODE_U64SLT:
- case TGSI_OPCODE_I64SGE:
- case TGSI_OPCODE_U64SGE:
- case TGSI_OPCODE_I642F:
- case TGSI_OPCODE_U642F:
- switch (util_bitcount(mask)) {
- case 1: return 0x3;
- case 2: return 0xf;
- default:
- assert(!"unexpected mask");
- return 0xf;
- }
- case TGSI_OPCODE_I2D:
- case TGSI_OPCODE_U2D:
- case TGSI_OPCODE_F2D: {
- unsigned int x = 0;
- if ((mask & 0x3) == 0x3)
- x |= 1;
- if ((mask & 0xc) == 0xc)
- x |= 2;
- return x;
- }
- case TGSI_OPCODE_PK2H:
- return 0x3;
- case TGSI_OPCODE_UP2H:
- return 0x1;
- default:
- break;
- }
-
- return mask;
-}
-
-nv50_ir::Modifier Instruction::SrcRegister::getMod(int chan) const
-{
- nv50_ir::Modifier m(0);
-
- if (reg.Absolute)
- m = m | nv50_ir::Modifier(NV50_IR_MOD_ABS);
- if (reg.Negate)
- m = m | nv50_ir::Modifier(NV50_IR_MOD_NEG);
- return m;
-}
-
-static nv50_ir::DataFile translateFile(uint file)
-{
- switch (file) {
- case TGSI_FILE_CONSTANT: return nv50_ir::FILE_MEMORY_CONST;
- case TGSI_FILE_INPUT: return nv50_ir::FILE_SHADER_INPUT;
- case TGSI_FILE_OUTPUT: return nv50_ir::FILE_SHADER_OUTPUT;
- case TGSI_FILE_TEMPORARY: return nv50_ir::FILE_GPR;
- case TGSI_FILE_ADDRESS: return nv50_ir::FILE_ADDRESS;
- case TGSI_FILE_IMMEDIATE: return nv50_ir::FILE_IMMEDIATE;
- case TGSI_FILE_SYSTEM_VALUE: return nv50_ir::FILE_SYSTEM_VALUE;
- case TGSI_FILE_BUFFER: return nv50_ir::FILE_MEMORY_BUFFER;
- case TGSI_FILE_IMAGE: return nv50_ir::FILE_MEMORY_GLOBAL;
- case TGSI_FILE_MEMORY: return nv50_ir::FILE_MEMORY_GLOBAL;
- case TGSI_FILE_SAMPLER:
- case TGSI_FILE_NULL:
- default:
- return nv50_ir::FILE_NULL;
- }
-}
-
-static nv50_ir::SVSemantic translateSysVal(uint sysval)
-{
- switch (sysval) {
- case TGSI_SEMANTIC_FACE: return nv50_ir::SV_FACE;
- case TGSI_SEMANTIC_PSIZE: return nv50_ir::SV_POINT_SIZE;
- case TGSI_SEMANTIC_PRIMID: return nv50_ir::SV_PRIMITIVE_ID;
- case TGSI_SEMANTIC_INSTANCEID: return nv50_ir::SV_INSTANCE_ID;
- case TGSI_SEMANTIC_VERTEXID: return nv50_ir::SV_VERTEX_ID;
- case TGSI_SEMANTIC_GRID_SIZE: return nv50_ir::SV_NCTAID;
- case TGSI_SEMANTIC_BLOCK_ID: return nv50_ir::SV_CTAID;
- case TGSI_SEMANTIC_BLOCK_SIZE: return nv50_ir::SV_NTID;
- case TGSI_SEMANTIC_THREAD_ID: return nv50_ir::SV_TID;
- case TGSI_SEMANTIC_SAMPLEID: return nv50_ir::SV_SAMPLE_INDEX;
- case TGSI_SEMANTIC_SAMPLEPOS: return nv50_ir::SV_SAMPLE_POS;
- case TGSI_SEMANTIC_SAMPLEMASK: return nv50_ir::SV_SAMPLE_MASK;
- case TGSI_SEMANTIC_INVOCATIONID: return nv50_ir::SV_INVOCATION_ID;
- case TGSI_SEMANTIC_TESSCOORD: return nv50_ir::SV_TESS_COORD;
- case TGSI_SEMANTIC_TESSOUTER: return nv50_ir::SV_TESS_OUTER;
- case TGSI_SEMANTIC_TESSINNER: return nv50_ir::SV_TESS_INNER;
- case TGSI_SEMANTIC_VERTICESIN: return nv50_ir::SV_VERTEX_COUNT;
- case TGSI_SEMANTIC_HELPER_INVOCATION: return nv50_ir::SV_THREAD_KILL;
- case TGSI_SEMANTIC_BASEVERTEX: return nv50_ir::SV_BASEVERTEX;
- case TGSI_SEMANTIC_BASEINSTANCE: return nv50_ir::SV_BASEINSTANCE;
- case TGSI_SEMANTIC_DRAWID: return nv50_ir::SV_DRAWID;
- case TGSI_SEMANTIC_WORK_DIM: return nv50_ir::SV_WORK_DIM;
- case TGSI_SEMANTIC_SUBGROUP_INVOCATION: return nv50_ir::SV_LANEID;
- case TGSI_SEMANTIC_SUBGROUP_EQ_MASK: return nv50_ir::SV_LANEMASK_EQ;
- case TGSI_SEMANTIC_SUBGROUP_LT_MASK: return nv50_ir::SV_LANEMASK_LT;
- case TGSI_SEMANTIC_SUBGROUP_LE_MASK: return nv50_ir::SV_LANEMASK_LE;
- case TGSI_SEMANTIC_SUBGROUP_GT_MASK: return nv50_ir::SV_LANEMASK_GT;
- case TGSI_SEMANTIC_SUBGROUP_GE_MASK: return nv50_ir::SV_LANEMASK_GE;
- default:
- assert(0);
- return nv50_ir::SV_CLOCK;
- }
-}
-
-#define NV50_IR_TEX_TARG_CASE(a, b) \
- case TGSI_TEXTURE_##a: return nv50_ir::TEX_TARGET_##b;
-
-static nv50_ir::TexTarget translateTexture(uint tex)
-{
- switch (tex) {
- NV50_IR_TEX_TARG_CASE(1D, 1D);
- NV50_IR_TEX_TARG_CASE(2D, 2D);
- NV50_IR_TEX_TARG_CASE(2D_MSAA, 2D_MS);
- NV50_IR_TEX_TARG_CASE(3D, 3D);
- NV50_IR_TEX_TARG_CASE(CUBE, CUBE);
- NV50_IR_TEX_TARG_CASE(RECT, RECT);
- NV50_IR_TEX_TARG_CASE(1D_ARRAY, 1D_ARRAY);
- NV50_IR_TEX_TARG_CASE(2D_ARRAY, 2D_ARRAY);
- NV50_IR_TEX_TARG_CASE(2D_ARRAY_MSAA, 2D_MS_ARRAY);
- NV50_IR_TEX_TARG_CASE(CUBE_ARRAY, CUBE_ARRAY);
- NV50_IR_TEX_TARG_CASE(SHADOW1D, 1D_SHADOW);
- NV50_IR_TEX_TARG_CASE(SHADOW2D, 2D_SHADOW);
- NV50_IR_TEX_TARG_CASE(SHADOWCUBE, CUBE_SHADOW);
- NV50_IR_TEX_TARG_CASE(SHADOWRECT, RECT_SHADOW);
- NV50_IR_TEX_TARG_CASE(SHADOW1D_ARRAY, 1D_ARRAY_SHADOW);
- NV50_IR_TEX_TARG_CASE(SHADOW2D_ARRAY, 2D_ARRAY_SHADOW);
- NV50_IR_TEX_TARG_CASE(SHADOWCUBE_ARRAY, CUBE_ARRAY_SHADOW);
- NV50_IR_TEX_TARG_CASE(BUFFER, BUFFER);
-
- case TGSI_TEXTURE_UNKNOWN:
- default:
- assert(!"invalid texture target");
- return nv50_ir::TEX_TARGET_2D;
- }
-}
-
-static nv50_ir::CacheMode translateCacheMode(uint qualifier)
-{
- if (qualifier & TGSI_MEMORY_VOLATILE)
- return nv50_ir::CACHE_CV;
- if (qualifier & TGSI_MEMORY_COHERENT)
- return nv50_ir::CACHE_CG;
- return nv50_ir::CACHE_CA;
-}
-
-nv50_ir::DataType Instruction::inferSrcType() const
-{
- switch (getOpcode()) {
- case TGSI_OPCODE_UIF:
- case TGSI_OPCODE_AND:
- case TGSI_OPCODE_OR:
- case TGSI_OPCODE_XOR:
- case TGSI_OPCODE_NOT:
- case TGSI_OPCODE_SHL:
- case TGSI_OPCODE_U2F:
- case TGSI_OPCODE_U2D:
- case TGSI_OPCODE_U2I64:
- case TGSI_OPCODE_UADD:
- case TGSI_OPCODE_UDIV:
- case TGSI_OPCODE_UMOD:
- case TGSI_OPCODE_UMAD:
- case TGSI_OPCODE_UMUL:
- case TGSI_OPCODE_UMUL_HI:
- case TGSI_OPCODE_UMAX:
- case TGSI_OPCODE_UMIN:
- case TGSI_OPCODE_USEQ:
- case TGSI_OPCODE_USGE:
- case TGSI_OPCODE_USLT:
- case TGSI_OPCODE_USNE:
- case TGSI_OPCODE_USHR:
- case TGSI_OPCODE_ATOMUADD:
- case TGSI_OPCODE_ATOMXCHG:
- case TGSI_OPCODE_ATOMCAS:
- case TGSI_OPCODE_ATOMAND:
- case TGSI_OPCODE_ATOMOR:
- case TGSI_OPCODE_ATOMXOR:
- case TGSI_OPCODE_ATOMUMIN:
- case TGSI_OPCODE_ATOMUMAX:
- case TGSI_OPCODE_ATOMDEC_WRAP:
- case TGSI_OPCODE_ATOMINC_WRAP:
- case TGSI_OPCODE_UBFE:
- case TGSI_OPCODE_UMSB:
- case TGSI_OPCODE_UP2H:
- case TGSI_OPCODE_VOTE_ALL:
- case TGSI_OPCODE_VOTE_ANY:
- case TGSI_OPCODE_VOTE_EQ:
- return nv50_ir::TYPE_U32;
- case TGSI_OPCODE_I2F:
- case TGSI_OPCODE_I2D:
- case TGSI_OPCODE_I2I64:
- case TGSI_OPCODE_IDIV:
- case TGSI_OPCODE_IMUL_HI:
- case TGSI_OPCODE_IMAX:
- case TGSI_OPCODE_IMIN:
- case TGSI_OPCODE_IABS:
- case TGSI_OPCODE_INEG:
- case TGSI_OPCODE_ISGE:
- case TGSI_OPCODE_ISHR:
- case TGSI_OPCODE_ISLT:
- case TGSI_OPCODE_ISSG:
- case TGSI_OPCODE_MOD:
- case TGSI_OPCODE_UARL:
- case TGSI_OPCODE_ATOMIMIN:
- case TGSI_OPCODE_ATOMIMAX:
- case TGSI_OPCODE_IBFE:
- case TGSI_OPCODE_IMSB:
- return nv50_ir::TYPE_S32;
- case TGSI_OPCODE_D2F:
- case TGSI_OPCODE_D2I:
- case TGSI_OPCODE_D2U:
- case TGSI_OPCODE_D2I64:
- case TGSI_OPCODE_D2U64:
- case TGSI_OPCODE_DABS:
- case TGSI_OPCODE_DNEG:
- case TGSI_OPCODE_DADD:
- case TGSI_OPCODE_DMUL:
- case TGSI_OPCODE_DDIV:
- case TGSI_OPCODE_DMAX:
- case TGSI_OPCODE_DMIN:
- case TGSI_OPCODE_DSLT:
- case TGSI_OPCODE_DSGE:
- case TGSI_OPCODE_DSEQ:
- case TGSI_OPCODE_DSNE:
- case TGSI_OPCODE_DRCP:
- case TGSI_OPCODE_DSQRT:
- case TGSI_OPCODE_DMAD:
- case TGSI_OPCODE_DFMA:
- case TGSI_OPCODE_DFRAC:
- case TGSI_OPCODE_DRSQ:
- case TGSI_OPCODE_DTRUNC:
- case TGSI_OPCODE_DCEIL:
- case TGSI_OPCODE_DFLR:
- case TGSI_OPCODE_DROUND:
- return nv50_ir::TYPE_F64;
- case TGSI_OPCODE_U64SEQ:
- case TGSI_OPCODE_U64SNE:
- case TGSI_OPCODE_U64SLT:
- case TGSI_OPCODE_U64SGE:
- case TGSI_OPCODE_U64MIN:
- case TGSI_OPCODE_U64MAX:
- case TGSI_OPCODE_U64ADD:
- case TGSI_OPCODE_U64MUL:
- case TGSI_OPCODE_U64SHL:
- case TGSI_OPCODE_U64SHR:
- case TGSI_OPCODE_U64DIV:
- case TGSI_OPCODE_U64MOD:
- case TGSI_OPCODE_U642F:
- case TGSI_OPCODE_U642D:
- return nv50_ir::TYPE_U64;
- case TGSI_OPCODE_I64ABS:
- case TGSI_OPCODE_I64SSG:
- case TGSI_OPCODE_I64NEG:
- case TGSI_OPCODE_I64SLT:
- case TGSI_OPCODE_I64SGE:
- case TGSI_OPCODE_I64MIN:
- case TGSI_OPCODE_I64MAX:
- case TGSI_OPCODE_I64SHR:
- case TGSI_OPCODE_I64DIV:
- case TGSI_OPCODE_I64MOD:
- case TGSI_OPCODE_I642F:
- case TGSI_OPCODE_I642D:
- return nv50_ir::TYPE_S64;
- default:
- return nv50_ir::TYPE_F32;
- }
-}
-
-nv50_ir::DataType Instruction::inferDstType() const
-{
- switch (getOpcode()) {
- case TGSI_OPCODE_D2U:
- case TGSI_OPCODE_F2U: return nv50_ir::TYPE_U32;
- case TGSI_OPCODE_D2I:
- case TGSI_OPCODE_F2I: return nv50_ir::TYPE_S32;
- case TGSI_OPCODE_FSEQ:
- case TGSI_OPCODE_FSGE:
- case TGSI_OPCODE_FSLT:
- case TGSI_OPCODE_FSNE:
- case TGSI_OPCODE_DSEQ:
- case TGSI_OPCODE_DSGE:
- case TGSI_OPCODE_DSLT:
- case TGSI_OPCODE_DSNE:
- case TGSI_OPCODE_I64SLT:
- case TGSI_OPCODE_I64SGE:
- case TGSI_OPCODE_U64SEQ:
- case TGSI_OPCODE_U64SNE:
- case TGSI_OPCODE_U64SLT:
- case TGSI_OPCODE_U64SGE:
- case TGSI_OPCODE_PK2H:
- return nv50_ir::TYPE_U32;
- case TGSI_OPCODE_I2F:
- case TGSI_OPCODE_U2F:
- case TGSI_OPCODE_D2F:
- case TGSI_OPCODE_I642F:
- case TGSI_OPCODE_U642F:
- case TGSI_OPCODE_UP2H:
- return nv50_ir::TYPE_F32;
- case TGSI_OPCODE_I2D:
- case TGSI_OPCODE_U2D:
- case TGSI_OPCODE_F2D:
- case TGSI_OPCODE_I642D:
- case TGSI_OPCODE_U642D:
- return nv50_ir::TYPE_F64;
- case TGSI_OPCODE_I2I64:
- case TGSI_OPCODE_U2I64:
- case TGSI_OPCODE_F2I64:
- case TGSI_OPCODE_D2I64:
- return nv50_ir::TYPE_S64;
- case TGSI_OPCODE_F2U64:
- case TGSI_OPCODE_D2U64:
- return nv50_ir::TYPE_U64;
- default:
- return inferSrcType();
- }
-}
-
-nv50_ir::CondCode Instruction::getSetCond() const
-{
- using namespace nv50_ir;
-
- switch (getOpcode()) {
- case TGSI_OPCODE_SLT:
- case TGSI_OPCODE_ISLT:
- case TGSI_OPCODE_USLT:
- case TGSI_OPCODE_FSLT:
- case TGSI_OPCODE_DSLT:
- case TGSI_OPCODE_I64SLT:
- case TGSI_OPCODE_U64SLT:
- return CC_LT;
- case TGSI_OPCODE_SLE:
- return CC_LE;
- case TGSI_OPCODE_SGE:
- case TGSI_OPCODE_ISGE:
- case TGSI_OPCODE_USGE:
- case TGSI_OPCODE_FSGE:
- case TGSI_OPCODE_DSGE:
- case TGSI_OPCODE_I64SGE:
- case TGSI_OPCODE_U64SGE:
- return CC_GE;
- case TGSI_OPCODE_SGT:
- return CC_GT;
- case TGSI_OPCODE_SEQ:
- case TGSI_OPCODE_USEQ:
- case TGSI_OPCODE_FSEQ:
- case TGSI_OPCODE_DSEQ:
- case TGSI_OPCODE_U64SEQ:
- return CC_EQ;
- case TGSI_OPCODE_SNE:
- case TGSI_OPCODE_FSNE:
- case TGSI_OPCODE_DSNE:
- case TGSI_OPCODE_U64SNE:
- return CC_NEU;
- case TGSI_OPCODE_USNE:
- return CC_NE;
- default:
- return CC_ALWAYS;
- }
-}
-
-#define NV50_IR_OPCODE_CASE(a, b) case TGSI_OPCODE_##a: return nv50_ir::OP_##b
-
-static nv50_ir::operation translateOpcode(uint opcode)
-{
- switch (opcode) {
- NV50_IR_OPCODE_CASE(ARL, SHL);
- NV50_IR_OPCODE_CASE(MOV, MOV);
-
- NV50_IR_OPCODE_CASE(RCP, RCP);
- NV50_IR_OPCODE_CASE(RSQ, RSQ);
- NV50_IR_OPCODE_CASE(SQRT, SQRT);
-
- NV50_IR_OPCODE_CASE(MUL, MUL);
- NV50_IR_OPCODE_CASE(ADD, ADD);
-
- NV50_IR_OPCODE_CASE(MIN, MIN);
- NV50_IR_OPCODE_CASE(MAX, MAX);
- NV50_IR_OPCODE_CASE(SLT, SET);
- NV50_IR_OPCODE_CASE(SGE, SET);
- NV50_IR_OPCODE_CASE(MAD, MAD);
- NV50_IR_OPCODE_CASE(FMA, FMA);
-
- NV50_IR_OPCODE_CASE(FLR, FLOOR);
- NV50_IR_OPCODE_CASE(ROUND, CVT);
- NV50_IR_OPCODE_CASE(EX2, EX2);
- NV50_IR_OPCODE_CASE(LG2, LG2);
- NV50_IR_OPCODE_CASE(POW, POW);
-
- NV50_IR_OPCODE_CASE(COS, COS);
- NV50_IR_OPCODE_CASE(DDX, DFDX);
- NV50_IR_OPCODE_CASE(DDX_FINE, DFDX);
- NV50_IR_OPCODE_CASE(DDY, DFDY);
- NV50_IR_OPCODE_CASE(DDY_FINE, DFDY);
- NV50_IR_OPCODE_CASE(KILL, DISCARD);
- NV50_IR_OPCODE_CASE(DEMOTE, DISCARD);
-
- NV50_IR_OPCODE_CASE(SEQ, SET);
- NV50_IR_OPCODE_CASE(SGT, SET);
- NV50_IR_OPCODE_CASE(SIN, SIN);
- NV50_IR_OPCODE_CASE(SLE, SET);
- NV50_IR_OPCODE_CASE(SNE, SET);
- NV50_IR_OPCODE_CASE(TEX, TEX);
- NV50_IR_OPCODE_CASE(TXD, TXD);
- NV50_IR_OPCODE_CASE(TXP, TEX);
-
- NV50_IR_OPCODE_CASE(CAL, CALL);
- NV50_IR_OPCODE_CASE(RET, RET);
- NV50_IR_OPCODE_CASE(CMP, SLCT);
-
- NV50_IR_OPCODE_CASE(TXB, TXB);
-
- NV50_IR_OPCODE_CASE(DIV, DIV);
-
- NV50_IR_OPCODE_CASE(TXL, TXL);
- NV50_IR_OPCODE_CASE(TEX_LZ, TXL);
-
- NV50_IR_OPCODE_CASE(CEIL, CEIL);
- NV50_IR_OPCODE_CASE(I2F, CVT);
- NV50_IR_OPCODE_CASE(NOT, NOT);
- NV50_IR_OPCODE_CASE(TRUNC, TRUNC);
- NV50_IR_OPCODE_CASE(SHL, SHL);
-
- NV50_IR_OPCODE_CASE(AND, AND);
- NV50_IR_OPCODE_CASE(OR, OR);
- NV50_IR_OPCODE_CASE(MOD, MOD);
- NV50_IR_OPCODE_CASE(XOR, XOR);
- NV50_IR_OPCODE_CASE(TXF, TXF);
- NV50_IR_OPCODE_CASE(TXF_LZ, TXF);
- NV50_IR_OPCODE_CASE(TXQ, TXQ);
- NV50_IR_OPCODE_CASE(TXQS, TXQ);
- NV50_IR_OPCODE_CASE(TG4, TXG);
- NV50_IR_OPCODE_CASE(LODQ, TXLQ);
-
- NV50_IR_OPCODE_CASE(EMIT, EMIT);
- NV50_IR_OPCODE_CASE(ENDPRIM, RESTART);
-
- NV50_IR_OPCODE_CASE(KILL_IF, DISCARD);
-
- NV50_IR_OPCODE_CASE(F2I, CVT);
- NV50_IR_OPCODE_CASE(FSEQ, SET);
- NV50_IR_OPCODE_CASE(FSGE, SET);
- NV50_IR_OPCODE_CASE(FSLT, SET);
- NV50_IR_OPCODE_CASE(FSNE, SET);
- NV50_IR_OPCODE_CASE(IDIV, DIV);
- NV50_IR_OPCODE_CASE(IMAX, MAX);
- NV50_IR_OPCODE_CASE(IMIN, MIN);
- NV50_IR_OPCODE_CASE(IABS, ABS);
- NV50_IR_OPCODE_CASE(INEG, NEG);
- NV50_IR_OPCODE_CASE(ISGE, SET);
- NV50_IR_OPCODE_CASE(ISHR, SHR);
- NV50_IR_OPCODE_CASE(ISLT, SET);
- NV50_IR_OPCODE_CASE(F2U, CVT);
- NV50_IR_OPCODE_CASE(U2F, CVT);
- NV50_IR_OPCODE_CASE(UADD, ADD);
- NV50_IR_OPCODE_CASE(UDIV, DIV);
- NV50_IR_OPCODE_CASE(UMAD, MAD);
- NV50_IR_OPCODE_CASE(UMAX, MAX);
- NV50_IR_OPCODE_CASE(UMIN, MIN);
- NV50_IR_OPCODE_CASE(UMOD, MOD);
- NV50_IR_OPCODE_CASE(UMUL, MUL);
- NV50_IR_OPCODE_CASE(USEQ, SET);
- NV50_IR_OPCODE_CASE(USGE, SET);
- NV50_IR_OPCODE_CASE(USHR, SHR);
- NV50_IR_OPCODE_CASE(USLT, SET);
- NV50_IR_OPCODE_CASE(USNE, SET);
-
- NV50_IR_OPCODE_CASE(DABS, ABS);
- NV50_IR_OPCODE_CASE(DNEG, NEG);
- NV50_IR_OPCODE_CASE(DADD, ADD);
- NV50_IR_OPCODE_CASE(DMUL, MUL);
- NV50_IR_OPCODE_CASE(DDIV, DIV);
- NV50_IR_OPCODE_CASE(DMAX, MAX);
- NV50_IR_OPCODE_CASE(DMIN, MIN);
- NV50_IR_OPCODE_CASE(DSLT, SET);
- NV50_IR_OPCODE_CASE(DSGE, SET);
- NV50_IR_OPCODE_CASE(DSEQ, SET);
- NV50_IR_OPCODE_CASE(DSNE, SET);
- NV50_IR_OPCODE_CASE(DRCP, RCP);
- NV50_IR_OPCODE_CASE(DSQRT, SQRT);
- NV50_IR_OPCODE_CASE(DMAD, MAD);
- NV50_IR_OPCODE_CASE(DFMA, FMA);
- NV50_IR_OPCODE_CASE(D2I, CVT);
- NV50_IR_OPCODE_CASE(D2U, CVT);
- NV50_IR_OPCODE_CASE(I2D, CVT);
- NV50_IR_OPCODE_CASE(U2D, CVT);
- NV50_IR_OPCODE_CASE(DRSQ, RSQ);
- NV50_IR_OPCODE_CASE(DTRUNC, TRUNC);
- NV50_IR_OPCODE_CASE(DCEIL, CEIL);
- NV50_IR_OPCODE_CASE(DFLR, FLOOR);
- NV50_IR_OPCODE_CASE(DROUND, CVT);
-
- NV50_IR_OPCODE_CASE(U64SEQ, SET);
- NV50_IR_OPCODE_CASE(U64SNE, SET);
- NV50_IR_OPCODE_CASE(U64SLT, SET);
- NV50_IR_OPCODE_CASE(U64SGE, SET);
- NV50_IR_OPCODE_CASE(I64SLT, SET);
- NV50_IR_OPCODE_CASE(I64SGE, SET);
- NV50_IR_OPCODE_CASE(I2I64, CVT);
- NV50_IR_OPCODE_CASE(U2I64, CVT);
- NV50_IR_OPCODE_CASE(F2I64, CVT);
- NV50_IR_OPCODE_CASE(F2U64, CVT);
- NV50_IR_OPCODE_CASE(D2I64, CVT);
- NV50_IR_OPCODE_CASE(D2U64, CVT);
- NV50_IR_OPCODE_CASE(I642F, CVT);
- NV50_IR_OPCODE_CASE(U642F, CVT);
- NV50_IR_OPCODE_CASE(I642D, CVT);
- NV50_IR_OPCODE_CASE(U642D, CVT);
-
- NV50_IR_OPCODE_CASE(I64MIN, MIN);
- NV50_IR_OPCODE_CASE(U64MIN, MIN);
- NV50_IR_OPCODE_CASE(I64MAX, MAX);
- NV50_IR_OPCODE_CASE(U64MAX, MAX);
- NV50_IR_OPCODE_CASE(I64ABS, ABS);
- NV50_IR_OPCODE_CASE(I64NEG, NEG);
- NV50_IR_OPCODE_CASE(U64ADD, ADD);
- NV50_IR_OPCODE_CASE(U64MUL, MUL);
- NV50_IR_OPCODE_CASE(U64SHL, SHL);
- NV50_IR_OPCODE_CASE(I64SHR, SHR);
- NV50_IR_OPCODE_CASE(U64SHR, SHR);
-
- NV50_IR_OPCODE_CASE(IMUL_HI, MUL);
- NV50_IR_OPCODE_CASE(UMUL_HI, MUL);
-
- NV50_IR_OPCODE_CASE(SAMPLE, TEX);
- NV50_IR_OPCODE_CASE(SAMPLE_B, TXB);
- NV50_IR_OPCODE_CASE(SAMPLE_C, TEX);
- NV50_IR_OPCODE_CASE(SAMPLE_C_LZ, TEX);
- NV50_IR_OPCODE_CASE(SAMPLE_D, TXD);
- NV50_IR_OPCODE_CASE(SAMPLE_L, TXL);
- NV50_IR_OPCODE_CASE(SAMPLE_I, TXF);
- NV50_IR_OPCODE_CASE(SAMPLE_I_MS, TXF);
- NV50_IR_OPCODE_CASE(GATHER4, TXG);
- NV50_IR_OPCODE_CASE(SVIEWINFO, TXQ);
-
- NV50_IR_OPCODE_CASE(ATOMUADD, ATOM);
- NV50_IR_OPCODE_CASE(ATOMXCHG, ATOM);
- NV50_IR_OPCODE_CASE(ATOMCAS, ATOM);
- NV50_IR_OPCODE_CASE(ATOMAND, ATOM);
- NV50_IR_OPCODE_CASE(ATOMOR, ATOM);
- NV50_IR_OPCODE_CASE(ATOMXOR, ATOM);
- NV50_IR_OPCODE_CASE(ATOMUMIN, ATOM);
- NV50_IR_OPCODE_CASE(ATOMUMAX, ATOM);
- NV50_IR_OPCODE_CASE(ATOMIMIN, ATOM);
- NV50_IR_OPCODE_CASE(ATOMIMAX, ATOM);
- NV50_IR_OPCODE_CASE(ATOMFADD, ATOM);
- NV50_IR_OPCODE_CASE(ATOMDEC_WRAP, ATOM);
- NV50_IR_OPCODE_CASE(ATOMINC_WRAP, ATOM);
-
- NV50_IR_OPCODE_CASE(TEX2, TEX);
- NV50_IR_OPCODE_CASE(TXB2, TXB);
- NV50_IR_OPCODE_CASE(TXL2, TXL);
-
- NV50_IR_OPCODE_CASE(IBFE, EXTBF);
- NV50_IR_OPCODE_CASE(UBFE, EXTBF);
- NV50_IR_OPCODE_CASE(BFI, INSBF);
- NV50_IR_OPCODE_CASE(BREV, EXTBF);
- NV50_IR_OPCODE_CASE(POPC, POPCNT);
- NV50_IR_OPCODE_CASE(LSB, BFIND);
- NV50_IR_OPCODE_CASE(IMSB, BFIND);
- NV50_IR_OPCODE_CASE(UMSB, BFIND);
-
- NV50_IR_OPCODE_CASE(VOTE_ALL, VOTE);
- NV50_IR_OPCODE_CASE(VOTE_ANY, VOTE);
- NV50_IR_OPCODE_CASE(VOTE_EQ, VOTE);
-
- NV50_IR_OPCODE_CASE(BALLOT, VOTE);
- NV50_IR_OPCODE_CASE(READ_INVOC, SHFL);
- NV50_IR_OPCODE_CASE(READ_FIRST, SHFL);
-
- NV50_IR_OPCODE_CASE(END, EXIT);
-
- default:
- return nv50_ir::OP_NOP;
- }
-}
-
-static uint16_t opcodeToSubOp(uint opcode)
-{
- switch (opcode) {
- case TGSI_OPCODE_ATOMUADD: return NV50_IR_SUBOP_ATOM_ADD;
- case TGSI_OPCODE_ATOMXCHG: return NV50_IR_SUBOP_ATOM_EXCH;
- case TGSI_OPCODE_ATOMCAS: return NV50_IR_SUBOP_ATOM_CAS;
- case TGSI_OPCODE_ATOMAND: return NV50_IR_SUBOP_ATOM_AND;
- case TGSI_OPCODE_ATOMOR: return NV50_IR_SUBOP_ATOM_OR;
- case TGSI_OPCODE_ATOMXOR: return NV50_IR_SUBOP_ATOM_XOR;
- case TGSI_OPCODE_ATOMUMIN: return NV50_IR_SUBOP_ATOM_MIN;
- case TGSI_OPCODE_ATOMIMIN: return NV50_IR_SUBOP_ATOM_MIN;
- case TGSI_OPCODE_ATOMUMAX: return NV50_IR_SUBOP_ATOM_MAX;
- case TGSI_OPCODE_ATOMIMAX: return NV50_IR_SUBOP_ATOM_MAX;
- case TGSI_OPCODE_ATOMFADD: return NV50_IR_SUBOP_ATOM_ADD;
- case TGSI_OPCODE_ATOMDEC_WRAP: return NV50_IR_SUBOP_ATOM_DEC;
- case TGSI_OPCODE_ATOMINC_WRAP: return NV50_IR_SUBOP_ATOM_INC;
- case TGSI_OPCODE_IMUL_HI:
- case TGSI_OPCODE_UMUL_HI:
- return NV50_IR_SUBOP_MUL_HIGH;
- case TGSI_OPCODE_VOTE_ALL: return NV50_IR_SUBOP_VOTE_ALL;
- case TGSI_OPCODE_VOTE_ANY: return NV50_IR_SUBOP_VOTE_ANY;
- case TGSI_OPCODE_VOTE_EQ: return NV50_IR_SUBOP_VOTE_UNI;
- default:
- return 0;
- }
-}
-
-bool Instruction::checkDstSrcAliasing() const
-{
- if (insn->Dst[0].Register.Indirect) // no danger if indirect, using memory
- return false;
-
- for (int s = 0; s < TGSI_FULL_MAX_SRC_REGISTERS; ++s) {
- if (insn->Src[s].Register.File == TGSI_FILE_NULL)
- break;
- if (insn->Src[s].Register.File == insn->Dst[0].Register.File &&
- insn->Src[s].Register.Index == insn->Dst[0].Register.Index)
- return true;
- }
- return false;
-}
-
-class Source
-{
-public:
- Source(struct nv50_ir_prog_info *, struct nv50_ir_prog_info_out *, nv50_ir::Program *);
- ~Source();
-
-public:
- bool scanSource();
- unsigned fileSize(unsigned file) const { return scan.file_max[file] + 1; }
-
-public:
- struct tgsi_shader_info scan;
- struct tgsi_full_instruction *insns;
- const struct tgsi_token *tokens;
- struct nv50_ir_prog_info *info;
- struct nv50_ir_prog_info_out *info_out;
-
- nv50_ir::DynArray tempArrays;
- nv50_ir::DynArray immdArrays;
-
- typedef nv50_ir::BuildUtil::Location Location;
- // these registers are per-subroutine, cannot be used for parameter passing
- std::set<Location> locals;
-
- std::set<int> indirectTempArrays;
- std::map<int, int> indirectTempOffsets;
- std::map<int, std::pair<int, int> > tempArrayInfo;
- std::vector<int> tempArrayId;
-
- std::map<int, int> bufferIds;
- std::map<int, int> imageIds;
-
- int clipVertexOutput;
-
- struct TextureView {
- uint8_t target; // TGSI_TEXTURE_*
- };
- std::vector<TextureView> textureViews;
-
- /*
- struct Resource {
- uint8_t target; // TGSI_TEXTURE_*
- bool raw;
- uint8_t slot; // $surface index
- };
- std::vector<Resource> resources;
- */
-
- struct MemoryFile {
- uint8_t mem_type; // TGSI_MEMORY_TYPE_*
- };
- std::vector<MemoryFile> memoryFiles;
-
- std::vector<bool> bufferAtomics;
-
- struct {
- uint16_t count; /* count of inline immediates */
- uint32_t *data; /* inline immediate data */
- } immd;
-
-private:
- int gmemSlot;
- nv50_ir::Program *prog;
- int inferSysValDirection(unsigned sn) const;
- bool scanDeclaration(const struct tgsi_full_declaration *);
- bool scanInstruction(const struct tgsi_full_instruction *);
- void scanInstructionSrc(const Instruction& insn,
- const Instruction::SrcRegister& src,
- unsigned mask);
- void scanProperty(const struct tgsi_full_property *);
- void scanImmediate(const struct tgsi_full_immediate *);
-
- inline bool isEdgeFlagPassthrough(const Instruction&) const;
-};
-
-Source::Source(struct nv50_ir_prog_info *info, struct nv50_ir_prog_info_out *info_out,
- nv50_ir::Program *prog)
-: insns(NULL), info(info), info_out(info_out), clipVertexOutput(-1),
- gmemSlot(0), prog(prog)
-{
- tokens = (const struct tgsi_token *)info->bin.source;
-
- if (info->dbgFlags & NV50_IR_DEBUG_BASIC)
- tgsi_dump(tokens, 0);
-
- tgsi_scan_shader(tokens, &scan);
-
- immd.count = 0;
- immd.data = (uint32_t *)MALLOC(scan.immediate_count * 16);
-}
-
-Source::~Source()
-{
- if (insns)
- FREE(insns);
-
- if (immd.data)
- FREE(immd.data);
-}
-
-bool Source::scanSource()
-{
- unsigned insnCount = 0;
- struct tgsi_parse_context parse;
-
- insns = (struct tgsi_full_instruction *)MALLOC(scan.num_instructions *
- sizeof(insns[0]));
- if (!insns)
- return false;
-
- textureViews.resize(scan.file_max[TGSI_FILE_SAMPLER_VIEW] + 1);
- //resources.resize(scan.file_max[TGSI_FILE_RESOURCE] + 1);
- tempArrayId.resize(scan.file_max[TGSI_FILE_TEMPORARY] + 1);
- memoryFiles.resize(scan.file_max[TGSI_FILE_MEMORY] + 1);
- bufferAtomics.resize(scan.file_max[TGSI_FILE_BUFFER] + 1);
-
- info_out->numInputs = scan.file_max[TGSI_FILE_INPUT] + 1;
- info_out->numOutputs = scan.file_max[TGSI_FILE_OUTPUT] + 1;
- info_out->numSysVals = scan.file_max[TGSI_FILE_SYSTEM_VALUE] + 1;
-
- if (info->type == PIPE_SHADER_FRAGMENT) {
- info_out->prop.fp.writesDepth = scan.writes_z;
- info_out->prop.fp.usesDiscard = scan.uses_kill || info->io.alphaRefBase;
- } else
- if (info->type == PIPE_SHADER_GEOMETRY) {
- info_out->prop.gp.instanceCount = 1; // default value
- }
-
- info->io.viewportId = -1;
-
- tgsi_parse_init(&parse, tokens);
- while (!tgsi_parse_end_of_tokens(&parse)) {
- tgsi_parse_token(&parse);
-
- switch (parse.FullToken.Token.Type) {
- case TGSI_TOKEN_TYPE_IMMEDIATE:
- scanImmediate(&parse.FullToken.FullImmediate);
- break;
- case TGSI_TOKEN_TYPE_DECLARATION:
- scanDeclaration(&parse.FullToken.FullDeclaration);
- break;
- case TGSI_TOKEN_TYPE_INSTRUCTION:
- insns[insnCount++] = parse.FullToken.FullInstruction;
- scanInstruction(&parse.FullToken.FullInstruction);
- break;
- case TGSI_TOKEN_TYPE_PROPERTY:
- scanProperty(&parse.FullToken.FullProperty);
- break;
- default:
- INFO("unknown TGSI token type: %d\n", parse.FullToken.Token.Type);
- break;
- }
- }
- tgsi_parse_free(&parse);
-
- if (indirectTempArrays.size()) {
- int tempBase = 0;
- for (std::set<int>::const_iterator it = indirectTempArrays.begin();
- it != indirectTempArrays.end(); ++it) {
- std::pair<int, int>& info = tempArrayInfo[*it];
- indirectTempOffsets.insert(std::make_pair(*it, tempBase - info.first));
- tempBase += info.second;
- }
- info_out->bin.tlsSpace += tempBase * 16;
- }
-
- if (info_out->io.genUserClip > 0) {
- info_out->io.clipDistances = info_out->io.genUserClip;
-
- const unsigned int nOut = (info_out->io.genUserClip + 3) / 4;
-
- for (unsigned int n = 0; n < nOut; ++n) {
- unsigned int i = info_out->numOutputs++;
- info_out->out[i].id = i;
- info_out->out[i].sn = TGSI_SEMANTIC_CLIPDIST;
- info_out->out[i].si = n;
- info_out->out[i].mask = ((1 << info_out->io.clipDistances) - 1) >> (n * 4);
- }
- }
-
- return info->assignSlots(info_out) == 0;
-}
-
-void Source::scanProperty(const struct tgsi_full_property *prop)
-{
- switch (prop->Property.PropertyName) {
- case TGSI_PROPERTY_GS_OUTPUT_PRIM:
- info_out->prop.gp.outputPrim = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES:
- info_out->prop.gp.maxVertices = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_GS_INVOCATIONS:
- info_out->prop.gp.instanceCount = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS:
- info_out->prop.fp.separateFragData = true;
- break;
- case TGSI_PROPERTY_FS_COORD_ORIGIN:
- case TGSI_PROPERTY_FS_COORD_PIXEL_CENTER:
- case TGSI_PROPERTY_FS_DEPTH_LAYOUT:
- case TGSI_PROPERTY_GS_INPUT_PRIM:
- case TGSI_PROPERTY_FS_BLEND_EQUATION_ADVANCED:
- // we don't care
- break;
- case TGSI_PROPERTY_VS_PROHIBIT_UCPS:
- info_out->io.genUserClip = -1;
- break;
- case TGSI_PROPERTY_TCS_VERTICES_OUT:
- info_out->prop.tp.outputPatchSize = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_TES_PRIM_MODE:
- info_out->prop.tp.domain = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_TES_SPACING:
- info_out->prop.tp.partitioning = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_TES_VERTEX_ORDER_CW:
- info_out->prop.tp.winding = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_TES_POINT_MODE:
- if (prop->u[0].Data)
- info_out->prop.tp.outputPrim = MESA_PRIM_POINTS;
- else
- info_out->prop.tp.outputPrim = MESA_PRIM_TRIANGLES; /* anything but points */
- break;
- case TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH:
- info->prop.cp.numThreads[0] = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT:
- info->prop.cp.numThreads[1] = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH:
- info->prop.cp.numThreads[2] = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_NUM_CLIPDIST_ENABLED:
- info_out->io.clipDistances = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_NUM_CULLDIST_ENABLED:
- info_out->io.cullDistances = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_NEXT_SHADER:
- /* Do not need to know the next shader stage. */
- break;
- case TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL:
- info_out->prop.fp.earlyFragTests = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_FS_POST_DEPTH_COVERAGE:
- info_out->prop.fp.postDepthCoverage = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_LEGACY_MATH_RULES:
- info->io.mul_zero_wins = prop->u[0].Data;
- break;
- case TGSI_PROPERTY_LAYER_VIEWPORT_RELATIVE:
- info_out->io.layer_viewport_relative = prop->u[0].Data;
- break;
- default:
- INFO("unhandled TGSI property %d\n", prop->Property.PropertyName);
- break;
- }
-}
-
-void Source::scanImmediate(const struct tgsi_full_immediate *imm)
-{
- const unsigned n = immd.count++;
-
- assert(n < scan.immediate_count);
-
- for (int c = 0; c < 4; ++c)
- immd.data[n * 4 + c] = imm->u[c].Uint;
-}
-
-int Source::inferSysValDirection(unsigned sn) const
-{
- switch (sn) {
- case TGSI_SEMANTIC_INSTANCEID:
- case TGSI_SEMANTIC_VERTEXID:
- return 1;
- case TGSI_SEMANTIC_LAYER:
-#if 0
- case TGSI_SEMANTIC_VIEWPORTINDEX:
- return 0;
-#endif
- case TGSI_SEMANTIC_PRIMID:
- return (info->type == PIPE_SHADER_FRAGMENT) ? 1 : 0;
- default:
- return 0;
- }
-}
-
-bool Source::scanDeclaration(const struct tgsi_full_declaration *decl)
-{
- unsigned i, c;
- unsigned sn = TGSI_SEMANTIC_GENERIC;
- unsigned si = 0;
- const unsigned first = decl->Range.First, last = decl->Range.Last;
- const int arrayId = decl->Array.ArrayID;
-
- if (decl->Declaration.Semantic) {
- sn = decl->Semantic.Name;
- si = decl->Semantic.Index;
- }
-
- if (decl->Declaration.Local || decl->Declaration.File == TGSI_FILE_ADDRESS) {
- for (i = first; i <= last; ++i) {
- for (c = 0; c < 4; ++c) {
- locals.insert(
- Location(decl->Declaration.File, decl->Dim.Index2D, i, c));
- }
- }
- }
-
- switch (decl->Declaration.File) {
- case TGSI_FILE_INPUT:
- if (info->type == PIPE_SHADER_VERTEX) {
- // all vertex attributes are equal
- for (i = first; i <= last; ++i) {
- info_out->in[i].sn = TGSI_SEMANTIC_GENERIC;
- info_out->in[i].si = i;
- }
- } else {
- for (i = first; i <= last; ++i, ++si) {
- info_out->in[i].id = i;
- info_out->in[i].sn = sn;
- info_out->in[i].si = si;
- if (info->type == PIPE_SHADER_FRAGMENT) {
- // translate interpolation mode
- switch (decl->Interp.Interpolate) {
- case TGSI_INTERPOLATE_CONSTANT:
- info_out->in[i].flat = 1;
- break;
- case TGSI_INTERPOLATE_COLOR:
- info_out->in[i].sc = 1;
- break;
- case TGSI_INTERPOLATE_LINEAR:
- info_out->in[i].linear = 1;
- break;
- default:
- break;
- }
- if (decl->Interp.Location)
- info_out->in[i].centroid = 1;
- }
-
- if (sn == TGSI_SEMANTIC_PATCH)
- info_out->in[i].patch = 1;
- if (sn == TGSI_SEMANTIC_PATCH)
- info_out->numPatchConstants = MAX2(info_out->numPatchConstants, si + 1);
- }
- }
- break;
- case TGSI_FILE_OUTPUT:
- for (i = first; i <= last; ++i, ++si) {
- switch (sn) {
- case TGSI_SEMANTIC_POSITION:
- if (info->type == PIPE_SHADER_FRAGMENT)
- info_out->io.fragDepth = i;
- else
- if (clipVertexOutput < 0)
- clipVertexOutput = i;
- break;
- case TGSI_SEMANTIC_COLOR:
- if (info->type == PIPE_SHADER_FRAGMENT)
- info_out->prop.fp.numColourResults++;
- break;
- case TGSI_SEMANTIC_EDGEFLAG:
- info_out->io.edgeFlagOut = i;
- break;
- case TGSI_SEMANTIC_CLIPVERTEX:
- clipVertexOutput = i;
- break;
- case TGSI_SEMANTIC_CLIPDIST:
- info_out->io.genUserClip = -1;
- break;
- case TGSI_SEMANTIC_SAMPLEMASK:
- info_out->io.sampleMask = i;
- break;
- case TGSI_SEMANTIC_VIEWPORT_INDEX:
- info->io.viewportId = i;
- break;
- case TGSI_SEMANTIC_PATCH:
- info_out->numPatchConstants = MAX2(info_out->numPatchConstants, si + 1);
- FALLTHROUGH;
- case TGSI_SEMANTIC_TESSOUTER:
- case TGSI_SEMANTIC_TESSINNER:
- info_out->out[i].patch = 1;
- break;
- default:
- break;
- }
- info_out->out[i].id = i;
- info_out->out[i].sn = sn;
- info_out->out[i].si = si;
- }
- break;
- case TGSI_FILE_SYSTEM_VALUE:
- switch (sn) {
- case TGSI_SEMANTIC_INSTANCEID:
- info_out->io.instanceId = first;
- break;
- case TGSI_SEMANTIC_VERTEXID:
- info_out->io.vertexId = first;
- break;
- case TGSI_SEMANTIC_BASEVERTEX:
- case TGSI_SEMANTIC_BASEINSTANCE:
- case TGSI_SEMANTIC_DRAWID:
- info_out->prop.vp.usesDrawParameters = true;
- break;
- case TGSI_SEMANTIC_SAMPLEID:
- case TGSI_SEMANTIC_SAMPLEPOS:
- prog->persampleInvocation = true;
- break;
- case TGSI_SEMANTIC_SAMPLEMASK:
- info_out->prop.fp.usesSampleMaskIn = true;
- break;
- default:
- break;
- }
- for (i = first; i <= last; ++i, ++si) {
- info_out->sv[i].sn = sn;
- info_out->sv[i].si = si;
- info_out->sv[i].input = inferSysValDirection(sn);
-
- switch (sn) {
- case TGSI_SEMANTIC_TESSOUTER:
- case TGSI_SEMANTIC_TESSINNER:
- info_out->sv[i].patch = 1;
- break;
- }
- }
- break;
-/*
- case TGSI_FILE_RESOURCE:
- for (i = first; i <= last; ++i) {
- resources[i].target = decl->Resource.Resource;
- resources[i].raw = decl->Resource.Raw;
- resources[i].slot = i;
- }
- break;
-*/
- case TGSI_FILE_SAMPLER_VIEW:
- for (i = first; i <= last; ++i)
- textureViews[i].target = decl->SamplerView.Resource;
- break;
- case TGSI_FILE_MEMORY:
- for (i = first; i <= last; ++i)
- memoryFiles[i].mem_type = decl->Declaration.MemType;
- break;
- case TGSI_FILE_NULL:
- case TGSI_FILE_TEMPORARY:
- for (i = first; i <= last; ++i)
- tempArrayId[i] = arrayId;
- if (arrayId)
- tempArrayInfo.insert(std::make_pair(arrayId, std::make_pair(
- first, last - first + 1)));
- break;
- case TGSI_FILE_BUFFER:
- for (i = first; i <= last; ++i)
- bufferAtomics[i] = decl->Declaration.Atomic;
- if (info->type == PIPE_SHADER_COMPUTE && info->target < NVISA_GF100_CHIPSET) {
- for (i = first; i <= last; i++) {
- bufferIds.insert(std::make_pair(i, gmemSlot));
- info_out->prop.cp.gmem[gmemSlot++] = {.valid = 1, .image = 0, .slot = i};
- assert(gmemSlot < 16);
- }
- }
- break;
- case TGSI_FILE_IMAGE:
- if (info->type == PIPE_SHADER_COMPUTE && info->target < NVISA_GF100_CHIPSET) {
- for (i = first; i <= last; i++) {
- imageIds.insert(std::make_pair(i, gmemSlot));
- info_out->prop.cp.gmem[gmemSlot++] = {.valid = 1, .image = 1, .slot = i};
- assert(gmemSlot < 16);
- }
- }
- break;
- case TGSI_FILE_ADDRESS:
- case TGSI_FILE_CONSTANT:
- case TGSI_FILE_IMMEDIATE:
- case TGSI_FILE_SAMPLER:
- break;
- default:
- ERROR("unhandled TGSI_FILE %d\n", decl->Declaration.File);
- return false;
- }
- return true;
-}
-
-inline bool Source::isEdgeFlagPassthrough(const Instruction& insn) const
-{
- return insn.getOpcode() == TGSI_OPCODE_MOV &&
- insn.getDst(0).getIndex(0) == info_out->io.edgeFlagOut &&
- insn.getSrc(0).getFile() == TGSI_FILE_INPUT;
-}
-
-void Source::scanInstructionSrc(const Instruction& insn,
- const Instruction::SrcRegister& src,
- unsigned mask)
-{
- if (src.getFile() == TGSI_FILE_TEMPORARY) {
- if (src.isIndirect(0))
- indirectTempArrays.insert(src.getArrayId());
- } else
- if (src.getFile() == TGSI_FILE_OUTPUT) {
- if (src.isIndirect(0)) {
- // We don't know which one is accessed, just mark everything for
- // reading. This is an extremely unlikely occurrence.
- for (unsigned i = 0; i < info_out->numOutputs; ++i)
- info_out->out[i].oread = 1;
- } else {
- info_out->out[src.getIndex(0)].oread = 1;
- }
- }
- if (src.getFile() == TGSI_FILE_SYSTEM_VALUE) {
- if (info_out->sv[src.getIndex(0)].sn == TGSI_SEMANTIC_SAMPLEPOS)
- info_out->prop.fp.readsSampleLocations = true;
- }
- if (src.getFile() != TGSI_FILE_INPUT)
- return;
-
- if (src.isIndirect(0)) {
- for (unsigned i = 0; i < info_out->numInputs; ++i)
- info_out->in[i].mask = 0xf;
- } else {
- const int i = src.getIndex(0);
- for (unsigned c = 0; c < 4; ++c) {
- if (!(mask & (1 << c)))
- continue;
- int k = src.getSwizzle(c);
- if (k <= TGSI_SWIZZLE_W)
- info_out->in[i].mask |= 1 << k;
- }
- switch (info_out->in[i].sn) {
- case TGSI_SEMANTIC_PSIZE:
- case TGSI_SEMANTIC_PRIMID:
- case TGSI_SEMANTIC_FOG:
- info_out->in[i].mask &= 0x1;
- break;
- case TGSI_SEMANTIC_PCOORD:
- info_out->in[i].mask &= 0x3;
- break;
- default:
- break;
- }
- }
-}
-
-bool Source::scanInstruction(const struct tgsi_full_instruction *inst)
-{
- Instruction insn(inst);
-
- if (insn.getOpcode() == TGSI_OPCODE_BARRIER)
- info_out->numBarriers = 1;
-
- if (insn.getOpcode() == TGSI_OPCODE_FBFETCH)
- info_out->prop.fp.readsFramebuffer = true;
-
- if (insn.getOpcode() == TGSI_OPCODE_INTERP_SAMPLE)
- info_out->prop.fp.readsSampleLocations = true;
-
- if (insn.getOpcode() == TGSI_OPCODE_DEMOTE)
- info_out->prop.fp.usesDiscard = true;
-
- if (insn.dstCount()) {
- Instruction::DstRegister dst = insn.getDst(0);
-
- if (insn.getOpcode() == TGSI_OPCODE_STORE &&
- dst.getFile() != TGSI_FILE_MEMORY) {
- info_out->io.globalAccess |= 0x2;
-
- if (dst.getFile() == TGSI_FILE_INPUT) {
- // TODO: Handle indirect somehow?
- const int i = dst.getIndex(0);
- info_out->in[i].mask |= 1;
- }
- }
-
- if (dst.getFile() == TGSI_FILE_OUTPUT) {
- if (dst.isIndirect(0))
- for (unsigned i = 0; i < info_out->numOutputs; ++i)
- info_out->out[i].mask = 0xf;
- else
- info_out->out[dst.getIndex(0)].mask |= dst.getMask();
-
- if (info_out->out[dst.getIndex(0)].sn == TGSI_SEMANTIC_PSIZE ||
- info_out->out[dst.getIndex(0)].sn == TGSI_SEMANTIC_PRIMID ||
- info_out->out[dst.getIndex(0)].sn == TGSI_SEMANTIC_LAYER ||
- info_out->out[dst.getIndex(0)].sn == TGSI_SEMANTIC_VIEWPORT_INDEX ||
- info_out->out[dst.getIndex(0)].sn == TGSI_SEMANTIC_FOG)
- info_out->out[dst.getIndex(0)].mask &= 1;
-
- if (isEdgeFlagPassthrough(insn))
- info_out->io.edgeFlagIn = insn.getSrc(0).getIndex(0);
- } else
- if (dst.getFile() == TGSI_FILE_TEMPORARY) {
- if (dst.isIndirect(0))
- indirectTempArrays.insert(dst.getArrayId());
- } else
- if (dst.getFile() == TGSI_FILE_BUFFER ||
- dst.getFile() == TGSI_FILE_IMAGE ||
- (dst.getFile() == TGSI_FILE_MEMORY &&
- memoryFiles[dst.getIndex(0)].mem_type == TGSI_MEMORY_TYPE_GLOBAL)) {
- info_out->io.globalAccess |= 0x2;
- }
- }
-
- if (insn.srcCount() && (
- insn.getSrc(0).getFile() != TGSI_FILE_MEMORY ||
- memoryFiles[insn.getSrc(0).getIndex(0)].mem_type ==
- TGSI_MEMORY_TYPE_GLOBAL)) {
- switch (insn.getOpcode()) {
- case TGSI_OPCODE_ATOMUADD:
- case TGSI_OPCODE_ATOMXCHG:
- case TGSI_OPCODE_ATOMCAS:
- case TGSI_OPCODE_ATOMAND:
- case TGSI_OPCODE_ATOMOR:
- case TGSI_OPCODE_ATOMXOR:
- case TGSI_OPCODE_ATOMUMIN:
- case TGSI_OPCODE_ATOMIMIN:
- case TGSI_OPCODE_ATOMUMAX:
- case TGSI_OPCODE_ATOMIMAX:
- case TGSI_OPCODE_ATOMFADD:
- case TGSI_OPCODE_ATOMDEC_WRAP:
- case TGSI_OPCODE_ATOMINC_WRAP:
- case TGSI_OPCODE_LOAD:
- info_out->io.globalAccess |= (insn.getOpcode() == TGSI_OPCODE_LOAD) ?
- 0x1 : 0x2;
- break;
- }
- }
-
-
- for (unsigned s = 0; s < insn.srcCount(); ++s)
- scanInstructionSrc(insn, insn.getSrc(s), insn.srcMask(s));
-
- for (unsigned s = 0; s < insn.getNumTexOffsets(); ++s)
- scanInstructionSrc(insn, insn.getTexOffset(s), insn.texOffsetMask());
-
- return true;
-}
-
-nv50_ir::TexInstruction::Target
-Instruction::getTexture(const tgsi::Source *code, int s) const
-{
- // XXX: indirect access
- unsigned int r;
-
- switch (getSrc(s).getFile()) {
-/*
- case TGSI_FILE_RESOURCE:
- r = getSrc(s).getIndex(0);
- return translateTexture(code->resources.at(r).target);
-*/
- case TGSI_FILE_SAMPLER_VIEW:
- r = getSrc(s).getIndex(0);
- return translateTexture(code->textureViews.at(r).target);
- default:
- return translateTexture(insn->Texture.Texture);
- }
-}
-
-} // namespace tgsi
-
-namespace {
-
-using namespace nv50_ir;
-
-class Converter : public ConverterCommon
-{
-public:
- Converter(Program *, const tgsi::Source *, nv50_ir_prog_info_out *);
- ~Converter();
-
- bool run();
-
-private:
- Value *shiftAddress(Value *);
- Value *getVertexBase(int s);
- Value *getOutputBase(int s);
- DataArray *getArrayForFile(unsigned file, int idx);
- Value *fetchSrc(int s, int c);
- Value *fetchDst(int d, int c);
- Value *acquireDst(int d, int c);
- void storeDst(int d, int c, Value *);
-
- Value *fetchSrc(const tgsi::Instruction::SrcRegister src, int c, Value *ptr);
- void storeDst(const tgsi::Instruction::DstRegister dst, int c,
- Value *val, Value *ptr);
-
- void adjustTempIndex(int arrayId, int &idx, int &idx2d) const;
- Value *applySrcMod(Value *, int s, int c);
-
- Symbol *makeSym(uint file, int fileIndex, int idx, int c, uint32_t addr);
- Symbol *srcToSym(tgsi::Instruction::SrcRegister, int c);
- Symbol *dstToSym(tgsi::Instruction::DstRegister, int c);
-
- bool isSubGroupMask(uint8_t semantic);
-
- bool handleInstruction(const struct tgsi_full_instruction *);
- void exportOutputs();
- inline bool isEndOfSubroutine(uint ip);
-
- void loadProjTexCoords(Value *dst[4], Value *src[4], unsigned int mask);
-
- // R,S,L,C,Dx,Dy encode TGSI sources for respective values (0xSf for auto)
- void setTexRS(TexInstruction *, unsigned int& s, int R, int S);
- void handleTEX(Value *dst0[4], int R, int S, int L, int C, int Dx, int Dy);
- void handleTXF(Value *dst0[4], int R, int L_M);
- void handleTXQ(Value *dst0[4], enum TexQuery, int R);
- void handleFBFETCH(Value *dst0[4]);
- void handleLIT(Value *dst0[4]);
-
- // Symbol *getResourceBase(int r);
- void getImageCoords(std::vector<Value *>&, int s);
- int remapImageId(int);
- int remapBufferId(int);
-
- void handleLOAD(Value *dst0[4]);
- void handleSTORE();
- void handleATOM(Value *dst0[4], DataType, uint16_t subOp);
-
- void handleINTERP(Value *dst0[4]);
-
- Value *interpolate(tgsi::Instruction::SrcRegister, int c, Value *ptr);
-
- void insertConvergenceOps(BasicBlock *conv, BasicBlock *fork);
-
- Value *buildDot(int dim);
-
- class BindArgumentsPass : public Pass {
- public:
- BindArgumentsPass(Converter &conv) : conv(conv), sub(NULL) { }
-
- private:
- Converter &conv;
- Subroutine *sub;
-
- inline const Location *getValueLocation(Subroutine *, Value *);
-
- template<typename T> inline void
- updateCallArgs(Instruction *i, void (Instruction::*setArg)(int, Value *),
- T (Function::*proto));
-
- template<typename T> inline void
- updatePrototype(BitSet *set, void (Function::*updateSet)(),
- T (Function::*proto));
-
- protected:
- bool visit(Function *);
- bool visit(BasicBlock *bb) { return false; }
- };
-
-private:
- const tgsi::Source *code;
-
- uint ip; // instruction pointer
-
- tgsi::Instruction tgsi;
-
- DataType dstTy;
- DataType srcTy;
-
- DataArray tData; // TGSI_FILE_TEMPORARY
- DataArray lData; // TGSI_FILE_TEMPORARY, for indirect arrays
- DataArray aData; // TGSI_FILE_ADDRESS
- DataArray oData; // TGSI_FILE_OUTPUT (if outputs in registers)
-
- Value *zero;
-
- Value *vtxBase[5]; // base address of vertex in primitive (for TP/GP)
- uint8_t vtxBaseValid;
-
- Stack condBBs; // fork BB, then else clause BB
- Stack joinBBs; // fork BB, for inserting join ops on ENDIF
- Stack loopBBs; // loop headers
- Stack breakBBs; // end of / after loop
-
- Value *viewport;
-};
-
-Symbol *
-Converter::srcToSym(tgsi::Instruction::SrcRegister src, int c)
-{
- const int swz = src.getSwizzle(c);
-
- /* TODO: Use Array ID when it's available for the index */
- return makeSym(src.getFile(),
- src.is2D() ? src.getIndex(1) : 0,
- src.getIndex(0), swz,
- src.getIndex(0) * 16 + swz * 4);
-}
-
-Symbol *
-Converter::dstToSym(tgsi::Instruction::DstRegister dst, int c)
-{
- /* TODO: Use Array ID when it's available for the index */
- return makeSym(dst.getFile(),
- dst.is2D() ? dst.getIndex(1) : 0,
- dst.getIndex(0), c,
- dst.getIndex(0) * 16 + c * 4);
-}
-
-Symbol *
-Converter::makeSym(uint tgsiFile, int fileIdx, int idx, int c, uint32_t address)
-{
- Symbol *sym = new_Symbol(prog, tgsi::translateFile(tgsiFile));
-
- sym->reg.fileIndex = fileIdx;
-
- if (tgsiFile == TGSI_FILE_MEMORY) {
- switch (code->memoryFiles[fileIdx].mem_type) {
- case TGSI_MEMORY_TYPE_GLOBAL:
- /* No-op this is the default for TGSI_FILE_MEMORY */
- sym->setFile(FILE_MEMORY_GLOBAL);
- break;
- case TGSI_MEMORY_TYPE_SHARED:
- sym->setFile(FILE_MEMORY_SHARED);
- address += info->prop.cp.inputOffset;
- break;
- case TGSI_MEMORY_TYPE_INPUT:
- assert(prog->getType() == Program::TYPE_COMPUTE);
- assert(idx == -1);
- sym->setFile(FILE_SHADER_INPUT);
- address += info->prop.cp.inputOffset;
- break;
- default:
- assert(0); /* TODO: Add support for global and private memory */
- }
- }
-
- if (idx >= 0) {
- if (sym->reg.file == FILE_SHADER_INPUT)
- sym->setOffset(info_out->in[idx].slot[c] * 4);
- else
- if (sym->reg.file == FILE_SHADER_OUTPUT)
- sym->setOffset(info_out->out[idx].slot[c] * 4);
- else
- if (sym->reg.file == FILE_SYSTEM_VALUE)
- sym->setSV(tgsi::translateSysVal(info_out->sv[idx].sn), c);
- else
- sym->setOffset(address);
- } else {
- sym->setOffset(address);
- }
- return sym;
-}
-
-Value *
-Converter::interpolate(tgsi::Instruction::SrcRegister src, int c, Value *ptr)
-{
- operation op;
-
- // XXX: no way to know interpolation mode if we don't know what's accessed
- const uint8_t mode = translateInterpMode(&info_out->in[ptr ? 0 :
- src.getIndex(0)], op);
-
- Instruction *insn = new_Instruction(func, op, TYPE_F32);
-
- insn->setDef(0, getScratch());
- insn->setSrc(0, srcToSym(src, c));
- if (op == OP_PINTERP)
- insn->setSrc(1, fragCoord[3]);
- if (ptr)
- insn->setIndirect(0, 0, ptr);
-
- insn->setInterpolate(mode);
-
- bb->insertTail(insn);
- return insn->getDef(0);
-}
-
-Value *
-Converter::applySrcMod(Value *val, int s, int c)
-{
- Modifier m = tgsi.getSrc(s).getMod(c);
- DataType ty = tgsi.inferSrcType();
-
- if (m & Modifier(NV50_IR_MOD_ABS))
- val = mkOp1v(OP_ABS, ty, getScratch(), val);
-
- if (m & Modifier(NV50_IR_MOD_NEG))
- val = mkOp1v(OP_NEG, ty, getScratch(), val);
-
- return val;
-}
-
-Value *
-Converter::getVertexBase(int s)
-{
- assert(s < 5);
- if (!(vtxBaseValid & (1 << s))) {
- const int index = tgsi.getSrc(s).getIndex(1);
- Value *rel = NULL;
- if (tgsi.getSrc(s).isIndirect(1))
- rel = fetchSrc(tgsi.getSrc(s).getIndirect(1), 0, NULL);
- vtxBaseValid |= 1 << s;
- vtxBase[s] = mkOp2v(OP_PFETCH, TYPE_U32, getSSA(4, FILE_ADDRESS),
- mkImm(index), rel);
- }
- return vtxBase[s];
-}
-
-Value *
-Converter::getOutputBase(int s)
-{
- assert(s < 5);
- if (!(vtxBaseValid & (1 << s))) {
- Value *offset = loadImm(NULL, tgsi.getSrc(s).getIndex(1));
- if (tgsi.getSrc(s).isIndirect(1))
- offset = mkOp2v(OP_ADD, TYPE_U32, getSSA(),
- fetchSrc(tgsi.getSrc(s).getIndirect(1), 0, NULL),
- offset);
- vtxBaseValid |= 1 << s;
- vtxBase[s] = mkOp2v(OP_ADD, TYPE_U32, getSSA(), outBase, offset);
- }
- return vtxBase[s];
-}
-
-Value *
-Converter::fetchSrc(int s, int c)
-{
- Value *res;
- Value *ptr = NULL, *dimRel = NULL;
-
- tgsi::Instruction::SrcRegister src = tgsi.getSrc(s);
-
- if (src.isIndirect(0))
- ptr = fetchSrc(src.getIndirect(0), 0, NULL);
-
- if (src.is2D()) {
- switch (src.getFile()) {
- case TGSI_FILE_OUTPUT:
- dimRel = getOutputBase(s);
- break;
- case TGSI_FILE_INPUT:
- dimRel = getVertexBase(s);
- break;
- case TGSI_FILE_CONSTANT:
- // on NVC0, this is valid and c{I+J}[k] == cI[(J << 16) + k]
- if (src.isIndirect(1))
- dimRel = fetchSrc(src.getIndirect(1), 0, 0);
- break;
- default:
- break;
- }
- }
-
- res = fetchSrc(src, c, ptr);
-
- if (dimRel)
- res->getInsn()->setIndirect(0, 1, dimRel);
-
- return applySrcMod(res, s, c);
-}
-
-Value *
-Converter::fetchDst(int d, int c)
-{
- Value *res;
- Value *ptr = NULL, *dimRel = NULL;
-
- tgsi::Instruction::DstRegister dst = tgsi.getDst(d);
-
- if (dst.isIndirect(0))
- ptr = fetchSrc(dst.getIndirect(0), 0, NULL);
-
- if (dst.is2D()) {
- switch (dst.getFile()) {
- case TGSI_FILE_OUTPUT:
- assert(0); // TODO
- dimRel = NULL;
- break;
- case TGSI_FILE_INPUT:
- assert(0); // TODO
- dimRel = NULL;
- break;
- case TGSI_FILE_CONSTANT:
- // on NVC0, this is valid and c{I+J}[k] == cI[(J << 16) + k]
- if (dst.isIndirect(1))
- dimRel = fetchSrc(dst.getIndirect(1), 0, 0);
- break;
- default:
- break;
- }
- }
-
- struct tgsi_full_src_register fsr = dst.asSrc();
- tgsi::Instruction::SrcRegister src(&fsr);
- res = fetchSrc(src, c, ptr);
-
- if (dimRel)
- res->getInsn()->setIndirect(0, 1, dimRel);
-
- return res;
-}
-
-Converter::DataArray *
-Converter::getArrayForFile(unsigned file, int idx)
-{
- switch (file) {
- case TGSI_FILE_TEMPORARY:
- return idx == 0 ? &tData : &lData;
- case TGSI_FILE_ADDRESS:
- return &aData;
- case TGSI_FILE_OUTPUT:
- assert(prog->getType() == Program::TYPE_FRAGMENT);
- return &oData;
- default:
- assert(!"invalid/unhandled TGSI source file");
- return NULL;
- }
-}
-
-Value *
-Converter::shiftAddress(Value *index)
-{
- if (!index)
- return NULL;
- return mkOp2v(OP_SHL, TYPE_U32, getSSA(4, FILE_ADDRESS), index, mkImm(4));
-}
-
-void
-Converter::adjustTempIndex(int arrayId, int &idx, int &idx2d) const
-{
- std::map<int, int>::const_iterator it =
- code->indirectTempOffsets.find(arrayId);
- if (it == code->indirectTempOffsets.end())
- return;
-
- idx2d = 1;
- idx += it->second;
-}
-
-bool
-Converter::isSubGroupMask(uint8_t semantic)
-{
- switch (semantic) {
- case TGSI_SEMANTIC_SUBGROUP_EQ_MASK:
- case TGSI_SEMANTIC_SUBGROUP_LT_MASK:
- case TGSI_SEMANTIC_SUBGROUP_LE_MASK:
- case TGSI_SEMANTIC_SUBGROUP_GT_MASK:
- case TGSI_SEMANTIC_SUBGROUP_GE_MASK:
- return true;
- default:
- return false;
- }
-}
-
-Value *
-Converter::fetchSrc(tgsi::Instruction::SrcRegister src, int c, Value *ptr)
-{
- int idx2d = src.is2D() ? src.getIndex(1) : 0;
- int idx = src.getIndex(0);
- const int swz = src.getSwizzle(c);
- Instruction *ld;
-
- switch (src.getFile()) {
- case TGSI_FILE_IMMEDIATE:
- assert(!ptr);
- return loadImm(NULL, code->immd.data[idx * 4 + swz]);
- case TGSI_FILE_CONSTANT:
- return mkLoadv(TYPE_U32, srcToSym(src, c), shiftAddress(ptr));
- case TGSI_FILE_INPUT:
- if (prog->getType() == Program::TYPE_FRAGMENT) {
- // don't load masked inputs, won't be assigned a slot
- if (!ptr && !(info_out->in[idx].mask & (1 << swz)))
- return loadImm(NULL, swz == TGSI_SWIZZLE_W ? 1.0f : 0.0f);
- return interpolate(src, c, shiftAddress(ptr));
- } else
- if (prog->getType() == Program::TYPE_GEOMETRY) {
- if (!ptr && info_out->in[idx].sn == TGSI_SEMANTIC_PRIMID)
- return mkOp1v(OP_RDSV, TYPE_U32, getSSA(), mkSysVal(SV_PRIMITIVE_ID, 0));
- // XXX: This is going to be a problem with scalar arrays, i.e. when
- // we cannot assume that the address is given in units of vec4.
- //
- // nv50 and nvc0 need different things here, so let the lowering
- // passes decide what to do with the address
- if (ptr)
- return mkLoadv(TYPE_U32, srcToSym(src, c), ptr);
- }
- ld = mkLoad(TYPE_U32, getSSA(), srcToSym(src, c), shiftAddress(ptr));
- ld->perPatch = info_out->in[idx].patch;
- return ld->getDef(0);
- case TGSI_FILE_OUTPUT:
- assert(prog->getType() == Program::TYPE_TESSELLATION_CONTROL);
- ld = mkLoad(TYPE_U32, getSSA(), srcToSym(src, c), shiftAddress(ptr));
- ld->perPatch = info_out->out[idx].patch;
- return ld->getDef(0);
- case TGSI_FILE_SYSTEM_VALUE:
- assert(!ptr);
- if (info_out->sv[idx].sn == TGSI_SEMANTIC_THREAD_ID &&
- info->prop.cp.numThreads[swz] == 1)
- return loadImm(NULL, 0u);
- if (isSubGroupMask(info_out->sv[idx].sn) && swz > 0)
- return loadImm(NULL, 0u);
- if (info_out->sv[idx].sn == TGSI_SEMANTIC_SUBGROUP_SIZE)
- return loadImm(NULL, 32u);
- ld = mkOp1(OP_RDSV, TYPE_U32, getSSA(), srcToSym(src, c));
- ld->perPatch = info_out->sv[idx].patch;
- return ld->getDef(0);
- case TGSI_FILE_TEMPORARY: {
- int arrayid = src.getArrayId();
- if (!arrayid)
- arrayid = code->tempArrayId[idx];
- adjustTempIndex(arrayid, idx, idx2d);
- }
- FALLTHROUGH;
- default:
- return getArrayForFile(src.getFile(), idx2d)->load(
- sub.cur->values, idx, swz, shiftAddress(ptr));
- }
-}
-
-Value *
-Converter::acquireDst(int d, int c)
-{
- const tgsi::Instruction::DstRegister dst = tgsi.getDst(d);
- const unsigned f = dst.getFile();
- int idx = dst.getIndex(0);
- int idx2d = dst.is2D() ? dst.getIndex(1) : 0;
-
- if (dst.isMasked(c) || f == TGSI_FILE_BUFFER || f == TGSI_FILE_MEMORY ||
- f == TGSI_FILE_IMAGE)
- return NULL;
-
- if (dst.isIndirect(0) ||
- f == TGSI_FILE_SYSTEM_VALUE ||
- (f == TGSI_FILE_OUTPUT && prog->getType() != Program::TYPE_FRAGMENT))
- return getScratch();
-
- if (f == TGSI_FILE_TEMPORARY) {
- int arrayid = dst.getArrayId();
- if (!arrayid)
- arrayid = code->tempArrayId[idx];
- adjustTempIndex(arrayid, idx, idx2d);
- }
-
- return getArrayForFile(f, idx2d)-> acquire(sub.cur->values, idx, c);
-}
-
-void
-Converter::storeDst(int d, int c, Value *val)
-{
- const tgsi::Instruction::DstRegister dst = tgsi.getDst(d);
-
- if (tgsi.getSaturate()) {
- mkOp1(OP_SAT, dstTy, val, val);
- }
-
- Value *ptr = NULL;
- if (dst.isIndirect(0))
- ptr = shiftAddress(fetchSrc(dst.getIndirect(0), 0, NULL));
-
- if (info_out->io.genUserClip > 0 &&
- dst.getFile() == TGSI_FILE_OUTPUT &&
- !dst.isIndirect(0) && dst.getIndex(0) == code->clipVertexOutput) {
- mkMov(clipVtx[c], val);
- val = clipVtx[c];
- }
-
- storeDst(dst, c, val, ptr);
-}
-
-void
-Converter::storeDst(const tgsi::Instruction::DstRegister dst, int c,
- Value *val, Value *ptr)
-{
- const unsigned f = dst.getFile();
- int idx = dst.getIndex(0);
- int idx2d = dst.is2D() ? dst.getIndex(1) : 0;
-
- if (f == TGSI_FILE_SYSTEM_VALUE) {
- assert(!ptr);
- mkOp2(OP_WRSV, TYPE_U32, NULL, dstToSym(dst, c), val);
- } else
- if (f == TGSI_FILE_OUTPUT && prog->getType() != Program::TYPE_FRAGMENT) {
-
- if (ptr || (info_out->out[idx].mask & (1 << c))) {
- /* Save the viewport index into a scratch register so that it can be
- exported at EMIT time */
- if (info_out->out[idx].sn == TGSI_SEMANTIC_VIEWPORT_INDEX &&
- prog->getType() == Program::TYPE_GEOMETRY &&
- viewport != NULL)
- mkOp1(OP_MOV, TYPE_U32, viewport, val);
- else
- mkStore(OP_EXPORT, TYPE_U32, dstToSym(dst, c), ptr, val)->perPatch =
- info_out->out[idx].patch;
- }
- } else
- if (f == TGSI_FILE_TEMPORARY ||
- f == TGSI_FILE_ADDRESS ||
- f == TGSI_FILE_OUTPUT) {
- if (f == TGSI_FILE_TEMPORARY) {
- int arrayid = dst.getArrayId();
- if (!arrayid)
- arrayid = code->tempArrayId[idx];
- adjustTempIndex(arrayid, idx, idx2d);
- }
-
- getArrayForFile(f, idx2d)->store(sub.cur->values, idx, c, ptr, val);
- } else {
- assert(!"invalid dst file");
- }
-}
-
-#define FOR_EACH_DST_ENABLED_CHANNEL(d, chan, inst) \
- for (chan = 0; chan < 4; ++chan) \
- if (!inst.getDst(d).isMasked(chan))
-
-Value *
-Converter::buildDot(int dim)
-{
- assert(dim > 0);
-
- Value *src0 = fetchSrc(0, 0), *src1 = fetchSrc(1, 0);
- Value *dotp = getScratch();
-
- mkOp2(OP_MUL, TYPE_F32, dotp, src0, src1)
- ->dnz = info->io.mul_zero_wins;
-
- for (int c = 1; c < dim; ++c) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- mkOp3(OP_MAD, TYPE_F32, dotp, src0, src1, dotp)
- ->dnz = info->io.mul_zero_wins;
- }
- return dotp;
-}
-
-void
-Converter::insertConvergenceOps(BasicBlock *conv, BasicBlock *fork)
-{
- FlowInstruction *join = new_FlowInstruction(func, OP_JOIN, NULL);
- join->fixed = 1;
- conv->insertHead(join);
-
- assert(!fork->joinAt);
- fork->joinAt = new_FlowInstruction(func, OP_JOINAT, conv);
- fork->insertBefore(fork->getExit(), fork->joinAt);
-}
-
-void
-Converter::setTexRS(TexInstruction *tex, unsigned int& s, int R, int S)
-{
- unsigned rIdx = 0, sIdx = 0;
-
- if (R >= 0 && tgsi.getSrc(R).getFile() != TGSI_FILE_SAMPLER) {
- // This is the bindless case. We have to get the actual value and pass
- // it in. This will be the complete handle.
- tex->tex.rIndirectSrc = s;
- tex->setSrc(s++, fetchSrc(R, 0));
- tex->setTexture(tgsi.getTexture(code, R), 0xff, 0x1f);
- tex->tex.bindless = true;
- return;
- }
-
- if (R >= 0)
- rIdx = tgsi.getSrc(R).getIndex(0);
- if (S >= 0)
- sIdx = tgsi.getSrc(S).getIndex(0);
-
- tex->setTexture(tgsi.getTexture(code, R), rIdx, sIdx);
-
- if (tgsi.getSrc(R).isIndirect(0)) {
- tex->tex.rIndirectSrc = s;
- tex->setSrc(s++, fetchSrc(tgsi.getSrc(R).getIndirect(0), 0, NULL));
- }
- if (S >= 0 && tgsi.getSrc(S).isIndirect(0)) {
- tex->tex.sIndirectSrc = s;
- tex->setSrc(s++, fetchSrc(tgsi.getSrc(S).getIndirect(0), 0, NULL));
- }
-}
-
-void
-Converter::handleTXQ(Value *dst0[4], enum TexQuery query, int R)
-{
- TexInstruction *tex = new_TexInstruction(func, OP_TXQ);
- tex->tex.query = query;
- unsigned int c, d;
-
- for (d = 0, c = 0; c < 4; ++c) {
- if (!dst0[c])
- continue;
- tex->tex.mask |= 1 << c;
- tex->setDef(d++, dst0[c]);
- }
- if (query == TXQ_DIMS)
- tex->setSrc((c = 0), fetchSrc(0, 0)); // mip level
- else
- tex->setSrc((c = 0), zero);
-
- setTexRS(tex, ++c, R, -1);
-
- bb->insertTail(tex);
-}
-
-void
-Converter::loadProjTexCoords(Value *dst[4], Value *src[4], unsigned int mask)
-{
- Value *proj = fetchSrc(0, 3);
- Instruction *insn = proj->getUniqueInsn();
- int c;
-
- if (insn->op == OP_PINTERP) {
- bb->insertTail(insn = cloneForward(func, insn));
- insn->op = OP_LINTERP;
- insn->setInterpolate(NV50_IR_INTERP_LINEAR | insn->getSampleMode());
- insn->setSrc(1, NULL);
- proj = insn->getDef(0);
- }
- proj = mkOp1v(OP_RCP, TYPE_F32, getSSA(), proj);
-
- for (c = 0; c < 4; ++c) {
- if (!(mask & (1 << c)))
- continue;
- if ((insn = src[c]->getUniqueInsn())->op != OP_PINTERP)
- continue;
- mask &= ~(1 << c);
-
- bb->insertTail(insn = cloneForward(func, insn));
- insn->setInterpolate(NV50_IR_INTERP_PERSPECTIVE | insn->getSampleMode());
- insn->setSrc(1, proj);
- dst[c] = insn->getDef(0);
- }
- if (!mask)
- return;
-
- proj = mkOp1v(OP_RCP, TYPE_F32, getSSA(), fetchSrc(0, 3));
-
- for (c = 0; c < 4; ++c)
- if (mask & (1 << c))
- dst[c] = mkOp2v(OP_MUL, TYPE_F32, getSSA(), src[c], proj);
-}
-
-// order of nv50 ir sources: x y z layer lod/bias shadow
-// order of TGSI TEX sources: x y z layer shadow lod/bias
-// lowering will finally set the hw specific order (like array first on nvc0)
-void
-Converter::handleTEX(Value *dst[4], int R, int S, int L, int C, int Dx, int Dy)
-{
- Value *arg[4], *src[8];
- Value *lod = NULL, *shd = NULL;
- unsigned int s, c, d;
- TexInstruction *texi = new_TexInstruction(func, tgsi.getOP());
-
- TexInstruction::Target tgt = tgsi.getTexture(code, R);
-
- for (s = 0; s < tgt.getArgCount(); ++s)
- arg[s] = src[s] = fetchSrc(0, s);
-
- if (tgsi.getOpcode() == TGSI_OPCODE_TEX_LZ)
- lod = loadImm(NULL, 0);
- else if (texi->op == OP_TXL || texi->op == OP_TXB)
- lod = fetchSrc(L >> 4, L & 3);
-
- if (C == 0x0f)
- C = 0x00 | MAX2(tgt.getArgCount(), 2); // guess DC src
-
- if (tgt == TEX_TARGET_CUBE_ARRAY_SHADOW) {
- switch (tgsi.getOpcode()) {
- case TGSI_OPCODE_TG4: shd = fetchSrc(1, 0); break;
- case TGSI_OPCODE_TEX2: shd = fetchSrc(1, 0); break;
- case TGSI_OPCODE_TXB2: shd = fetchSrc(1, 1); break;
- case TGSI_OPCODE_TXL2: shd = fetchSrc(1, 1); break;
- default: assert(!"unexpected opcode with cube array shadow"); break;
- }
- }
- else if (tgt.isShadow())
- shd = fetchSrc(C >> 4, C & 3);
-
- if (texi->op == OP_TXD) {
- for (c = 0; c < tgt.getDim() + tgt.isCube(); ++c) {
- texi->dPdx[c].set(fetchSrc(Dx >> 4, (Dx & 3) + c));
- texi->dPdy[c].set(fetchSrc(Dy >> 4, (Dy & 3) + c));
- }
- }
-
- // cube textures don't care about projection value, it's divided out
- if (tgsi.getOpcode() == TGSI_OPCODE_TXP && !tgt.isCube() && !tgt.isArray()) {
- unsigned int n = tgt.getDim();
- if (shd) {
- arg[n] = shd;
- ++n;
- assert(tgt.getDim() == tgt.getArgCount());
- }
- loadProjTexCoords(src, arg, (1 << n) - 1);
- if (shd)
- shd = src[n - 1];
- }
-
- for (c = 0, d = 0; c < 4; ++c) {
- if (dst[c]) {
- texi->setDef(d++, dst[c]);
- texi->tex.mask |= 1 << c;
- } else {
- // NOTE: maybe hook up def too, for CSE
- }
- }
- for (s = 0; s < tgt.getArgCount(); ++s)
- texi->setSrc(s, src[s]);
- if (lod)
- texi->setSrc(s++, lod);
- if (shd)
- texi->setSrc(s++, shd);
-
- setTexRS(texi, s, R, S);
-
- if (tgsi.getOpcode() == TGSI_OPCODE_SAMPLE_C_LZ)
- texi->tex.levelZero = true;
- if (prog->getType() != Program::TYPE_FRAGMENT &&
- (tgsi.getOpcode() == TGSI_OPCODE_TEX ||
- tgsi.getOpcode() == TGSI_OPCODE_TEX2 ||
- tgsi.getOpcode() == TGSI_OPCODE_TXP))
- texi->tex.levelZero = true;
- if (tgsi.getOpcode() == TGSI_OPCODE_TG4 && !tgt.isShadow())
- texi->tex.gatherComp = tgsi.getSrc(1).getValueU32(0, code->immd.data);
-
- texi->tex.useOffsets = tgsi.getNumTexOffsets();
- for (s = 0; s < tgsi.getNumTexOffsets(); ++s) {
- for (c = 0; c < 3; ++c) {
- texi->offset[s][c].set(fetchSrc(tgsi.getTexOffset(s), c, NULL));
- texi->offset[s][c].setInsn(texi);
- }
- }
-
- bb->insertTail(texi);
-}
-
-// 1st source: xyz = coordinates, w = lod/sample
-// 2nd source: offset
-void
-Converter::handleTXF(Value *dst[4], int R, int L_M)
-{
- TexInstruction *texi = new_TexInstruction(func, tgsi.getOP());
- int ms;
- unsigned int c, d, s;
-
- texi->tex.target = tgsi.getTexture(code, R);
-
- ms = texi->tex.target.isMS() ? 1 : 0;
- texi->tex.levelZero = ms; /* MS textures don't have mip-maps */
-
- for (c = 0, d = 0; c < 4; ++c) {
- if (dst[c]) {
- texi->setDef(d++, dst[c]);
- texi->tex.mask |= 1 << c;
- }
- }
- for (c = 0; c < (texi->tex.target.getArgCount() - ms); ++c)
- texi->setSrc(c, fetchSrc(0, c));
- if (!ms && tgsi.getOpcode() == TGSI_OPCODE_TXF_LZ)
- texi->setSrc(c++, loadImm(NULL, 0));
- else
- texi->setSrc(c++, fetchSrc(L_M >> 4, L_M & 3)); // lod or ms
-
- setTexRS(texi, c, R, -1);
-
- texi->tex.useOffsets = tgsi.getNumTexOffsets();
- for (s = 0; s < tgsi.getNumTexOffsets(); ++s) {
- for (c = 0; c < 3; ++c) {
- texi->offset[s][c].set(fetchSrc(tgsi.getTexOffset(s), c, NULL));
- texi->offset[s][c].setInsn(texi);
- }
- }
-
- bb->insertTail(texi);
-}
-
-void
-Converter::handleFBFETCH(Value *dst[4])
-{
- TexInstruction *texi = new_TexInstruction(func, OP_TXF);
- unsigned int c, d;
-
- texi->tex.target = TEX_TARGET_2D_MS_ARRAY;
- texi->tex.levelZero = true;
- texi->tex.useOffsets = 0;
-
- for (c = 0, d = 0; c < 4; ++c) {
- if (dst[c]) {
- texi->setDef(d++, dst[c]);
- texi->tex.mask |= 1 << c;
- }
- }
-
- Value *x = mkOp1v(OP_RDSV, TYPE_F32, getScratch(), mkSysVal(SV_POSITION, 0));
- Value *y = mkOp1v(OP_RDSV, TYPE_F32, getScratch(), mkSysVal(SV_POSITION, 1));
- Value *z = mkOp1v(OP_RDSV, TYPE_U32, getScratch(), mkSysVal(SV_LAYER, 0));
- Value *ms = mkOp1v(OP_RDSV, TYPE_U32, getScratch(), mkSysVal(SV_SAMPLE_INDEX, 0));
-
- mkCvt(OP_CVT, TYPE_U32, x, TYPE_F32, x)->rnd = ROUND_Z;
- mkCvt(OP_CVT, TYPE_U32, y, TYPE_F32, y)->rnd = ROUND_Z;
- texi->setSrc(0, x);
- texi->setSrc(1, y);
- texi->setSrc(2, z);
- texi->setSrc(3, ms);
-
- texi->tex.r = texi->tex.s = -1;
-
- bb->insertTail(texi);
-}
-
-void
-Converter::handleLIT(Value *dst0[4])
-{
- Value *val0 = NULL;
- unsigned int mask = tgsi.getDst(0).getMask();
-
- if (mask & (1 << 0))
- loadImm(dst0[0], 1.0f);
-
- if (mask & (1 << 3))
- loadImm(dst0[3], 1.0f);
-
- if (mask & (3 << 1)) {
- val0 = getScratch();
- mkOp2(OP_MAX, TYPE_F32, val0, fetchSrc(0, 0), zero);
- if (mask & (1 << 1))
- mkMov(dst0[1], val0);
- }
-
- if (mask & (1 << 2)) {
- Value *src1 = fetchSrc(0, 1), *src3 = fetchSrc(0, 3);
- Value *val1 = getScratch(), *val3 = getScratch();
-
- Value *pos128 = loadImm(NULL, +127.999999f);
- Value *neg128 = loadImm(NULL, -127.999999f);
-
- mkOp2(OP_MAX, TYPE_F32, val1, src1, zero);
- mkOp2(OP_MAX, TYPE_F32, val3, src3, neg128);
- mkOp2(OP_MIN, TYPE_F32, val3, val3, pos128);
- mkOp2(OP_POW, TYPE_F32, val3, val1, val3);
-
- mkCmp(OP_SLCT, CC_GT, TYPE_F32, dst0[2], TYPE_F32, val3, zero, val0);
- }
-}
-
-/* Keep this around for now as reference when adding img support
-static inline bool
-isResourceSpecial(const int r)
-{
- return (r == TGSI_RESOURCE_GLOBAL ||
- r == TGSI_RESOURCE_LOCAL ||
- r == TGSI_RESOURCE_PRIVATE ||
- r == TGSI_RESOURCE_INPUT);
-}
-
-static inline bool
-isResourceRaw(const tgsi::Source *code, const int r)
-{
- return isResourceSpecial(r) || code->resources[r].raw;
-}
-
-static inline nv50_ir::TexTarget
-getResourceTarget(const tgsi::Source *code, int r)
-{
- if (isResourceSpecial(r))
- return nv50_ir::TEX_TARGET_BUFFER;
- return tgsi::translateTexture(code->resources.at(r).target);
-}
-
-Symbol *
-Converter::getResourceBase(const int r)
-{
- Symbol *sym = NULL;
-
- switch (r) {
- case TGSI_RESOURCE_GLOBAL:
- sym = new_Symbol(prog, nv50_ir::FILE_MEMORY_GLOBAL,
- info->io.auxCBSlot);
- break;
- case TGSI_RESOURCE_LOCAL:
- assert(prog->getType() == Program::TYPE_COMPUTE);
- sym = mkSymbol(nv50_ir::FILE_MEMORY_SHARED, 0, TYPE_U32,
- info->prop.cp.sharedOffset);
- break;
- case TGSI_RESOURCE_PRIVATE:
- sym = mkSymbol(nv50_ir::FILE_MEMORY_LOCAL, 0, TYPE_U32,
- info->bin.tlsSpace);
- break;
- case TGSI_RESOURCE_INPUT:
- assert(prog->getType() == Program::TYPE_COMPUTE);
- sym = mkSymbol(nv50_ir::FILE_SHADER_INPUT, 0, TYPE_U32,
- info->prop.cp.inputOffset);
- break;
- default:
- sym = new_Symbol(prog,
- nv50_ir::FILE_MEMORY_GLOBAL, code->resources.at(r).slot);
- break;
- }
- return sym;
-}
-
-void
-Converter::getResourceCoords(std::vector<Value *> &coords, int r, int s)
-{
- const int arg =
- TexInstruction::Target(getResourceTarget(code, r)).getArgCount();
-
- for (int c = 0; c < arg; ++c)
- coords.push_back(fetchSrc(s, c));
-
- // NOTE: TGSI_RESOURCE_GLOBAL needs FILE_GPR; this is an nv50 quirk
- if (r == TGSI_RESOURCE_LOCAL ||
- r == TGSI_RESOURCE_PRIVATE ||
- r == TGSI_RESOURCE_INPUT)
- coords[0] = mkOp1v(OP_MOV, TYPE_U32, getScratch(4, FILE_ADDRESS),
- coords[0]);
-}
-
-static inline int
-partitionLoadStore(uint8_t comp[2], uint8_t size[2], uint8_t mask)
-{
- int n = 0;
-
- while (mask) {
- if (mask & 1) {
- size[n]++;
- } else {
- if (size[n])
- comp[n = 1] = size[0] + 1;
- else
- comp[n]++;
- }
- mask >>= 1;
- }
- if (size[0] == 3) {
- n = 1;
- size[0] = (comp[0] == 1) ? 1 : 2;
- size[1] = 3 - size[0];
- comp[1] = comp[0] + size[0];
- }
- return n + 1;
-}
-*/
-void
-Converter::getImageCoords(std::vector<Value *> &coords, int s)
-{
- TexInstruction::Target t =
- TexInstruction::Target(tgsi.getImageTarget());
- const int arg = t.getDim() + (t.isArray() || t.isCube());
-
- for (int c = 0; c < arg; ++c)
- coords.push_back(fetchSrc(s, c));
-
- if (t.isMS())
- coords.push_back(fetchSrc(s, 3));
-}
-
-int
-Converter::remapBufferId(int id)
-{
- std::map<int, int>::const_iterator it = code->bufferIds.find(id);
- if (it != code->bufferIds.end())
- return it->second;
- return id;
-}
-
-int
-Converter::remapImageId(int id)
-{
- std::map<int, int>::const_iterator it = code->imageIds.find(id);
- if (it != code->imageIds.end())
- return it->second;
- return id;
-}
-
-// For raw loads, granularity is 4 byte.
-// Usage of the texture read mask on OP_SULDP is not allowed.
-void
-Converter::handleLOAD(Value *dst0[4])
-{
- int r = tgsi.getSrc(0).getIndex(0);
- int c;
- std::vector<Value *> off, src, ldv, def;
- Value *ind = NULL;
-
- if (tgsi.getSrc(0).isIndirect(0))
- ind = fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, 0);
-
- switch (tgsi.getSrc(0).getFile()) {
- case TGSI_FILE_BUFFER:
- r = remapBufferId(r);
- /* fallthrough */
- case TGSI_FILE_MEMORY:
- for (c = 0; c < 4; ++c) {
- if (!dst0[c])
- continue;
-
- Value *off;
- Symbol *sym;
- uint32_t src0_component_offset = tgsi.getSrc(0).getSwizzle(c) * 4;
-
- if (tgsi.getSrc(1).getFile() == TGSI_FILE_IMMEDIATE) {
- off = NULL;
- sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c,
- tgsi.getSrc(1).getValueU32(0, code->immd.data) +
- src0_component_offset);
- } else {
- // yzw are ignored for buffers
- off = fetchSrc(1, 0);
- sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c,
- src0_component_offset);
- }
-
- Instruction *ld = mkLoad(TYPE_U32, dst0[c], sym, off);
- if (tgsi.getSrc(0).getFile() == TGSI_FILE_BUFFER &&
- code->bufferAtomics[tgsi.getSrc(0).getIndex(0)])
- ld->cache = nv50_ir::CACHE_CG;
- else
- ld->cache = tgsi.getCacheMode();
- if (ind)
- ld->setIndirect(0, 1, ind);
- }
- break;
- default: {
- r = remapImageId(r);
- getImageCoords(off, 1);
- def.resize(4);
-
- for (c = 0; c < 4; ++c) {
- if (!dst0[c] || tgsi.getSrc(0).getSwizzle(c) != (TGSI_SWIZZLE_X + c))
- def[c] = getScratch();
- else
- def[c] = dst0[c];
- }
-
- bool bindless = tgsi.getSrc(0).getFile() != TGSI_FILE_IMAGE;
- if (bindless)
- ind = fetchSrc(0, 0);
-
- TexInstruction *ld =
- mkTex(OP_SULDP, tgsi.getImageTarget(), 0, 0, def, off);
- ld->tex.mask = tgsi.getDst(0).getMask();
- ld->tex.format = tgsi.getImageFormat();
- ld->cache = tgsi.getCacheMode();
- ld->tex.bindless = bindless;
- if (!bindless)
- ld->tex.r = r;
- if (ind)
- ld->setIndirectR(ind);
-
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- if (dst0[c] != def[c])
- mkMov(dst0[c], def[tgsi.getSrc(0).getSwizzle(c)]);
- break;
- }
- }
-
-
-/* Keep this around for now as reference when adding img support
- getResourceCoords(off, r, 1);
-
- if (isResourceRaw(code, r)) {
- uint8_t mask = 0;
- uint8_t comp[2] = { 0, 0 };
- uint8_t size[2] = { 0, 0 };
-
- Symbol *base = getResourceBase(r);
-
- // determine the base and size of the at most 2 load ops
- for (c = 0; c < 4; ++c)
- if (!tgsi.getDst(0).isMasked(c))
- mask |= 1 << (tgsi.getSrc(0).getSwizzle(c) - TGSI_SWIZZLE_X);
-
- int n = partitionLoadStore(comp, size, mask);
-
- src = off;
-
- def.resize(4); // index by component, the ones we need will be non-NULL
- for (c = 0; c < 4; ++c) {
- if (dst0[c] && tgsi.getSrc(0).getSwizzle(c) == (TGSI_SWIZZLE_X + c))
- def[c] = dst0[c];
- else
- if (mask & (1 << c))
- def[c] = getScratch();
- }
-
- const bool useLd = isResourceSpecial(r) ||
- (info->io.nv50styleSurfaces &&
- code->resources[r].target == TGSI_TEXTURE_BUFFER);
-
- for (int i = 0; i < n; ++i) {
- ldv.assign(def.begin() + comp[i], def.begin() + comp[i] + size[i]);
-
- if (comp[i]) // adjust x component of source address if necessary
- src[0] = mkOp2v(OP_ADD, TYPE_U32, getSSA(4, off[0]->reg.file),
- off[0], mkImm(comp[i] * 4));
- else
- src[0] = off[0];
-
- if (useLd) {
- Instruction *ld =
- mkLoad(typeOfSize(size[i] * 4), ldv[0], base, src[0]);
- for (size_t c = 1; c < ldv.size(); ++c)
- ld->setDef(c, ldv[c]);
- } else {
- mkTex(OP_SULDB, getResourceTarget(code, r), code->resources[r].slot,
- 0, ldv, src)->dType = typeOfSize(size[i] * 4);
- }
- }
- } else {
- def.resize(4);
- for (c = 0; c < 4; ++c) {
- if (!dst0[c] || tgsi.getSrc(0).getSwizzle(c) != (TGSI_SWIZZLE_X + c))
- def[c] = getScratch();
- else
- def[c] = dst0[c];
- }
-
- mkTex(OP_SULDP, getResourceTarget(code, r), code->resources[r].slot, 0,
- def, off);
- }
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- if (dst0[c] != def[c])
- mkMov(dst0[c], def[tgsi.getSrc(0).getSwizzle(c)]);
-*/
-}
-
-// For formatted stores, the write mask on OP_SUSTP can be used.
-// Raw stores have to be split.
-void
-Converter::handleSTORE()
-{
- int r = tgsi.getDst(0).getIndex(0);
- int c;
- std::vector<Value *> off, src, dummy;
- Value *ind = NULL;
-
- if (tgsi.getDst(0).isIndirect(0))
- ind = fetchSrc(tgsi.getDst(0).getIndirect(0), 0, 0);
-
- switch (tgsi.getDst(0).getFile()) {
- case TGSI_FILE_BUFFER:
- r = remapBufferId(r);
- /* fallthrough */
- case TGSI_FILE_MEMORY:
- for (c = 0; c < 4; ++c) {
- if (!(tgsi.getDst(0).getMask() & (1 << c)))
- continue;
-
- Symbol *sym;
- Value *off;
- if (tgsi.getSrc(0).getFile() == TGSI_FILE_IMMEDIATE) {
- off = NULL;
- sym = makeSym(tgsi.getDst(0).getFile(), r, -1, c,
- tgsi.getSrc(0).getValueU32(0, code->immd.data) + 4 * c);
- } else {
- // yzw are ignored for buffers
- off = fetchSrc(0, 0);
- sym = makeSym(tgsi.getDst(0).getFile(), r, -1, c, 4 * c);
- }
-
- Instruction *st = mkStore(OP_STORE, TYPE_U32, sym, off, fetchSrc(1, c));
- st->cache = tgsi.getCacheMode();
- if (ind)
- st->setIndirect(0, 1, ind);
- }
- break;
- default: {
- r = remapImageId(r);
- getImageCoords(off, 0);
- src = off;
-
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- src.push_back(fetchSrc(1, c));
-
- bool bindless = tgsi.getDst(0).getFile() != TGSI_FILE_IMAGE;
- if (bindless)
- ind = fetchDst(0, 0);
-
- TexInstruction *st =
- mkTex(OP_SUSTP, tgsi.getImageTarget(), 0, 0, dummy, src);
- st->tex.mask = tgsi.getDst(0).getMask();
- st->tex.format = tgsi.getImageFormat();
- st->cache = tgsi.getCacheMode();
- st->tex.bindless = bindless;
- if (!bindless)
- st->tex.r = r;
- if (ind)
- st->setIndirectR(ind);
-
- break;
- }
- }
-
-/* Keep this around for now as reference when adding img support
- getResourceCoords(off, r, 0);
- src = off;
- const int s = src.size();
-
- if (isResourceRaw(code, r)) {
- uint8_t comp[2] = { 0, 0 };
- uint8_t size[2] = { 0, 0 };
-
- int n = partitionLoadStore(comp, size, tgsi.getDst(0).getMask());
-
- Symbol *base = getResourceBase(r);
-
- const bool useSt = isResourceSpecial(r) ||
- (info->io.nv50styleSurfaces &&
- code->resources[r].target == TGSI_TEXTURE_BUFFER);
-
- for (int i = 0; i < n; ++i) {
- if (comp[i]) // adjust x component of source address if necessary
- src[0] = mkOp2v(OP_ADD, TYPE_U32, getSSA(4, off[0]->reg.file),
- off[0], mkImm(comp[i] * 4));
- else
- src[0] = off[0];
-
- const DataType stTy = typeOfSize(size[i] * 4);
-
- if (useSt) {
- Instruction *st =
- mkStore(OP_STORE, stTy, base, NULL, fetchSrc(1, comp[i]));
- for (c = 1; c < size[i]; ++c)
- st->setSrc(1 + c, fetchSrc(1, comp[i] + c));
- st->setIndirect(0, 0, src[0]);
- } else {
- // attach values to be stored
- src.resize(s + size[i]);
- for (c = 0; c < size[i]; ++c)
- src[s + c] = fetchSrc(1, comp[i] + c);
- mkTex(OP_SUSTB, getResourceTarget(code, r), code->resources[r].slot,
- 0, dummy, src)->setType(stTy);
- }
- }
- } else {
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- src.push_back(fetchSrc(1, c));
-
- mkTex(OP_SUSTP, getResourceTarget(code, r), code->resources[r].slot, 0,
- dummy, src)->tex.mask = tgsi.getDst(0).getMask();
- }
-*/
-}
-
-// XXX: These only work on resources with the single-component u32/s32 formats.
-// Therefore the result is replicated. This might not be intended by TGSI, but
-// operating on more than 1 component would produce undefined results because
-// they do not exist.
-void
-Converter::handleATOM(Value *dst0[4], DataType ty, uint16_t subOp)
-{
- int r = tgsi.getSrc(0).getIndex(0);
- std::vector<Value *> srcv;
- std::vector<Value *> defv;
- LValue *dst = getScratch();
- Value *ind = NULL;
-
- if (tgsi.getSrc(0).isIndirect(0))
- ind = fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, 0);
-
- switch (tgsi.getSrc(0).getFile()) {
- case TGSI_FILE_BUFFER:
- r = remapBufferId(r);
- /* fallthrough */
- case TGSI_FILE_MEMORY:
- for (int c = 0; c < 4; ++c) {
- if (!dst0[c])
- continue;
-
- Instruction *insn;
- Value *off = fetchSrc(1, c);
- Value *sym;
- if (tgsi.getSrc(1).getFile() == TGSI_FILE_IMMEDIATE)
- sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c,
- tgsi.getSrc(1).getValueU32(c, code->immd.data));
- else
- sym = makeSym(tgsi.getSrc(0).getFile(), r, -1, c, 0);
- if (subOp == NV50_IR_SUBOP_ATOM_CAS)
- insn = mkOp3(OP_ATOM, ty, dst, sym, fetchSrc(2, c), fetchSrc(3, c));
- else
- insn = mkOp2(OP_ATOM, ty, dst, sym, fetchSrc(2, c));
- if (tgsi.getSrc(1).getFile() != TGSI_FILE_IMMEDIATE)
- insn->setIndirect(0, 0, off);
- if (ind)
- insn->setIndirect(0, 1, ind);
- insn->subOp = subOp;
-
- if (tgsi.getSrc(0).getFile() == TGSI_FILE_BUFFER &&
- code->bufferAtomics[tgsi.getSrc(0).getIndex(0)])
- insn->cache = nv50_ir::CACHE_CG;
- }
- for (int c = 0; c < 4; ++c)
- if (dst0[c])
- dst0[c] = dst; // not equal to rDst so handleInstruction will do mkMov
- break;
- default: {
- r = remapImageId(r);
- getImageCoords(srcv, 1);
- defv.push_back(dst);
- srcv.push_back(fetchSrc(2, 0));
-
- if (subOp == NV50_IR_SUBOP_ATOM_CAS)
- srcv.push_back(fetchSrc(3, 0));
-
- bool bindless = tgsi.getSrc(0).getFile() != TGSI_FILE_IMAGE;
- if (bindless)
- ind = fetchSrc(0, 0);
-
- TexInstruction *tex = mkTex(OP_SUREDP, tgsi.getImageTarget(),
- 0, 0, defv, srcv);
- tex->subOp = subOp;
- tex->tex.mask = 1;
- tex->tex.format = tgsi.getImageFormat();
- tex->setType(ty);
- tex->tex.bindless = bindless;
- if (!bindless)
- tex->tex.r = r;
- if (ind)
- tex->setIndirectR(ind);
-
- for (int c = 0; c < 4; ++c)
- if (dst0[c])
- dst0[c] = dst; // not equal to rDst so handleInstruction will do mkMov
- break;
- }
- }
-
-/* Keep this around for now as reference when adding img support
- getResourceCoords(srcv, r, 1);
-
- if (isResourceSpecial(r)) {
- assert(r != TGSI_RESOURCE_INPUT);
- Instruction *insn;
- insn = mkOp2(OP_ATOM, ty, dst, getResourceBase(r), fetchSrc(2, 0));
- insn->subOp = subOp;
- if (subOp == NV50_IR_SUBOP_ATOM_CAS)
- insn->setSrc(2, fetchSrc(3, 0));
- insn->setIndirect(0, 0, srcv.at(0));
- } else {
- operation op = isResourceRaw(code, r) ? OP_SUREDB : OP_SUREDP;
- TexTarget targ = getResourceTarget(code, r);
- int idx = code->resources[r].slot;
- defv.push_back(dst);
- srcv.push_back(fetchSrc(2, 0));
- if (subOp == NV50_IR_SUBOP_ATOM_CAS)
- srcv.push_back(fetchSrc(3, 0));
- TexInstruction *tex = mkTex(op, targ, idx, 0, defv, srcv);
- tex->subOp = subOp;
- tex->tex.mask = 1;
- tex->setType(ty);
- }
-
- for (int c = 0; c < 4; ++c)
- if (dst0[c])
- dst0[c] = dst; // not equal to rDst so handleInstruction will do mkMov
-*/
-}
-
-void
-Converter::handleINTERP(Value *dst[4])
-{
- // Check whether the input is linear. All other attributes ignored.
- Instruction *insn;
- Value *offset = NULL, *ptr = NULL, *w = NULL;
- Symbol *sym[4] = { NULL };
- bool linear;
- operation op = OP_NOP;
- int c, mode = 0;
-
- tgsi::Instruction::SrcRegister src = tgsi.getSrc(0);
-
- // In some odd cases, in large part due to varying packing, the source
- // might not actually be an input. This is illegal TGSI, but it's easier to
- // account for it here than it is to fix it where the TGSI is being
- // generated. In that case, it's going to be a straight up mov (or sequence
- // of mov's) from the input in question. We follow the mov chain to see
- // which input we need to use.
- if (src.getFile() != TGSI_FILE_INPUT) {
- if (src.isIndirect(0)) {
- ERROR("Ignoring indirect input interpolation\n");
- return;
- }
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- Value *val = fetchSrc(0, c);
- assert(val->defs.size() == 1);
- insn = val->getInsn();
- while (insn->op == OP_MOV) {
- assert(insn->getSrc(0)->defs.size() == 1);
- insn = insn->getSrc(0)->getInsn();
- if (!insn) {
- ERROR("Miscompiling shader due to unhandled INTERP\n");
- return;
- }
- }
- if (insn->op != OP_LINTERP && insn->op != OP_PINTERP) {
- ERROR("Trying to interpolate non-input, this is not allowed.\n");
- return;
- }
- sym[c] = insn->getSrc(0)->asSym();
- assert(sym[c]);
- op = insn->op;
- mode = insn->ipa;
- ptr = insn->getIndirect(0, 0);
- }
- } else {
- if (src.isIndirect(0))
- ptr = shiftAddress(fetchSrc(src.getIndirect(0), 0, NULL));
-
- // We can assume that the fixed index will point to an input of the same
- // interpolation type in case of an indirect.
- // TODO: Make use of ArrayID.
- linear = info_out->in[src.getIndex(0)].linear;
- if (linear) {
- op = OP_LINTERP;
- mode = NV50_IR_INTERP_LINEAR;
- } else {
- op = OP_PINTERP;
- mode = NV50_IR_INTERP_PERSPECTIVE;
- }
- }
-
- switch (tgsi.getOpcode()) {
- case TGSI_OPCODE_INTERP_CENTROID:
- mode |= NV50_IR_INTERP_CENTROID;
- break;
- case TGSI_OPCODE_INTERP_SAMPLE: {
- // When using a non-MS buffer, we're supposed to always use the center
- // (i.e. sample 0). This adds a SELP which will be always true or false
- // based on a data fixup.
- Value *sample = getScratch();
- mkOp3(OP_SELP, TYPE_U32, sample, mkImm(0), fetchSrc(1, 0), mkImm(0))
- ->subOp = 2;
-
- insn = mkOp1(OP_PIXLD, TYPE_U32, (offset = getScratch()), sample);
- insn->subOp = NV50_IR_SUBOP_PIXLD_OFFSET;
- mode |= NV50_IR_INTERP_OFFSET;
- break;
- }
- case TGSI_OPCODE_INTERP_OFFSET: {
- // The input in src1.xy is float, but we need a single 32-bit value
- // where the upper and lower 16 bits are encoded in S0.12 format. We need
- // to clamp the input coordinates to (-0.5, 0.4375), multiply by 4096,
- // and then convert to s32.
- Value *offs[2];
- for (c = 0; c < 2; c++) {
- offs[c] = getScratch();
- mkOp2(OP_MIN, TYPE_F32, offs[c], fetchSrc(1, c), loadImm(NULL, 0.4375f));
- mkOp2(OP_MAX, TYPE_F32, offs[c], offs[c], loadImm(NULL, -0.5f));
- mkOp2(OP_MUL, TYPE_F32, offs[c], offs[c], loadImm(NULL, 4096.0f));
- mkCvt(OP_CVT, TYPE_S32, offs[c], TYPE_F32, offs[c]);
- }
- offset = mkOp3v(OP_INSBF, TYPE_U32, getScratch(),
- offs[1], mkImm(0x1010), offs[0]);
- mode |= NV50_IR_INTERP_OFFSET;
- break;
- }
- }
-
- if (op == OP_PINTERP) {
- if (offset) {
- w = mkOp2v(OP_RDSV, TYPE_F32, getSSA(), mkSysVal(SV_POSITION, 3), offset);
- mkOp1(OP_RCP, TYPE_F32, w, w);
- } else {
- w = fragCoord[3];
- }
- }
-
-
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- insn = mkOp1(op, TYPE_F32, dst[c], sym[c] ? sym[c] : srcToSym(src, c));
- if (op == OP_PINTERP)
- insn->setSrc(1, w);
- if (offset)
- insn->setSrc(op == OP_PINTERP ? 2 : 1, offset);
- if (ptr)
- insn->setIndirect(0, 0, ptr);
-
- insn->setInterpolate(mode);
- }
-}
-
-bool
-Converter::isEndOfSubroutine(uint ip)
-{
- assert(ip < code->scan.num_instructions);
- tgsi::Instruction insn(&code->insns[ip]);
- return (insn.getOpcode() == TGSI_OPCODE_END ||
- insn.getOpcode() == TGSI_OPCODE_ENDSUB ||
- // does END occur at end of main or the very end ?
- insn.getOpcode() == TGSI_OPCODE_BGNSUB);
-}
-
-bool
-Converter::handleInstruction(const struct tgsi_full_instruction *insn)
-{
- Instruction *geni;
-
- Value *dst0[4], *rDst0[4];
- Value *src0, *src1, *src2, *src3;
- Value *val0 = NULL, *val1 = NULL;
- int c;
-
- tgsi = tgsi::Instruction(insn);
-
- bool useScratchDst = tgsi.checkDstSrcAliasing();
-
- operation op = tgsi.getOP();
- dstTy = tgsi.inferDstType();
- srcTy = tgsi.inferSrcType();
-
- unsigned int mask = tgsi.dstCount() ? tgsi.getDst(0).getMask() : 0;
-
- if (tgsi.dstCount() && tgsi.getOpcode() != TGSI_OPCODE_STORE) {
- for (c = 0; c < 4; ++c) {
- rDst0[c] = acquireDst(0, c);
- dst0[c] = (useScratchDst && rDst0[c]) ? getScratch() : rDst0[c];
- }
- }
-
- switch (tgsi.getOpcode()) {
- case TGSI_OPCODE_ADD:
- case TGSI_OPCODE_UADD:
- case TGSI_OPCODE_AND:
- case TGSI_OPCODE_DIV:
- case TGSI_OPCODE_IDIV:
- case TGSI_OPCODE_UDIV:
- case TGSI_OPCODE_MAX:
- case TGSI_OPCODE_MIN:
- case TGSI_OPCODE_IMAX:
- case TGSI_OPCODE_IMIN:
- case TGSI_OPCODE_UMAX:
- case TGSI_OPCODE_UMIN:
- case TGSI_OPCODE_MOD:
- case TGSI_OPCODE_UMOD:
- case TGSI_OPCODE_MUL:
- case TGSI_OPCODE_UMUL:
- case TGSI_OPCODE_IMUL_HI:
- case TGSI_OPCODE_UMUL_HI:
- case TGSI_OPCODE_OR:
- case TGSI_OPCODE_SHL:
- case TGSI_OPCODE_ISHR:
- case TGSI_OPCODE_USHR:
- case TGSI_OPCODE_XOR:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- geni = mkOp2(op, dstTy, dst0[c], src0, src1);
- geni->subOp = tgsi::opcodeToSubOp(tgsi.getOpcode());
- if (op == OP_MUL && dstTy == TYPE_F32)
- geni->dnz = info->io.mul_zero_wins;
- geni->precise = insn->Instruction.Precise;
- }
- break;
- case TGSI_OPCODE_MAD:
- case TGSI_OPCODE_UMAD:
- case TGSI_OPCODE_FMA:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- src2 = fetchSrc(2, c);
- geni = mkOp3(op, dstTy, dst0[c], src0, src1, src2);
- if (dstTy == TYPE_F32)
- geni->dnz = info->io.mul_zero_wins;
- geni->precise = insn->Instruction.Precise;
- }
- break;
- case TGSI_OPCODE_MOV:
- case TGSI_OPCODE_CEIL:
- case TGSI_OPCODE_FLR:
- case TGSI_OPCODE_TRUNC:
- case TGSI_OPCODE_RCP:
- case TGSI_OPCODE_SQRT:
- case TGSI_OPCODE_IABS:
- case TGSI_OPCODE_INEG:
- case TGSI_OPCODE_NOT:
- case TGSI_OPCODE_DDX:
- case TGSI_OPCODE_DDY:
- case TGSI_OPCODE_DDX_FINE:
- case TGSI_OPCODE_DDY_FINE:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkOp1(op, dstTy, dst0[c], fetchSrc(0, c));
- break;
- case TGSI_OPCODE_RSQ:
- src0 = fetchSrc(0, 0);
- val0 = getScratch();
- mkOp1(OP_ABS, TYPE_F32, val0, src0);
- mkOp1(OP_RSQ, TYPE_F32, val0, val0);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkMov(dst0[c], val0);
- break;
- case TGSI_OPCODE_ARL:
- case TGSI_OPCODE_ARR:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- const RoundMode rnd =
- tgsi.getOpcode() == TGSI_OPCODE_ARR ? ROUND_N : ROUND_M;
- src0 = fetchSrc(0, c);
- mkCvt(OP_CVT, TYPE_S32, dst0[c], TYPE_F32, src0)->rnd = rnd;
- }
- break;
- case TGSI_OPCODE_UARL:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkOp1(OP_MOV, TYPE_U32, dst0[c], fetchSrc(0, c));
- break;
- case TGSI_OPCODE_POW:
- val0 = mkOp2v(op, TYPE_F32, getScratch(), fetchSrc(0, 0), fetchSrc(1, 0));
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkOp1(OP_MOV, TYPE_F32, dst0[c], val0);
- break;
- case TGSI_OPCODE_EX2:
- case TGSI_OPCODE_LG2:
- val0 = mkOp1(op, TYPE_F32, getScratch(), fetchSrc(0, 0))->getDef(0);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkOp1(OP_MOV, TYPE_F32, dst0[c], val0);
- break;
- case TGSI_OPCODE_COS:
- case TGSI_OPCODE_SIN:
- val0 = getScratch();
- if (mask & 7) {
- mkOp1(OP_PRESIN, TYPE_F32, val0, fetchSrc(0, 0));
- mkOp1(op, TYPE_F32, val0, val0);
- for (c = 0; c < 3; ++c)
- if (dst0[c])
- mkMov(dst0[c], val0);
- }
- if (dst0[3]) {
- mkOp1(OP_PRESIN, TYPE_F32, val0, fetchSrc(0, 3));
- mkOp1(op, TYPE_F32, dst0[3], val0);
- }
- break;
- case TGSI_OPCODE_EXP:
- src0 = fetchSrc(0, 0);
- val0 = mkOp1v(OP_FLOOR, TYPE_F32, getSSA(), src0);
- if (dst0[1])
- mkOp2(OP_SUB, TYPE_F32, dst0[1], src0, val0);
- if (dst0[0])
- mkOp1(OP_EX2, TYPE_F32, dst0[0], val0);
- if (dst0[2])
- mkOp1(OP_EX2, TYPE_F32, dst0[2], src0);
- if (dst0[3])
- loadImm(dst0[3], 1.0f);
- break;
- case TGSI_OPCODE_LOG:
- src0 = mkOp1v(OP_ABS, TYPE_F32, getSSA(), fetchSrc(0, 0));
- val0 = mkOp1v(OP_LG2, TYPE_F32, dst0[2] ? dst0[2] : getSSA(), src0);
- if (dst0[0] || dst0[1])
- val1 = mkOp1v(OP_FLOOR, TYPE_F32, dst0[0] ? dst0[0] : getSSA(), val0);
- if (dst0[1]) {
- mkOp1(OP_EX2, TYPE_F32, dst0[1], val1);
- mkOp1(OP_RCP, TYPE_F32, dst0[1], dst0[1]);
- mkOp2(OP_MUL, TYPE_F32, dst0[1], dst0[1], src0)
- ->dnz = info->io.mul_zero_wins;
- }
- if (dst0[3])
- loadImm(dst0[3], 1.0f);
- break;
- case TGSI_OPCODE_DP2:
- val0 = buildDot(2);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkMov(dst0[c], val0);
- break;
- case TGSI_OPCODE_DP3:
- val0 = buildDot(3);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkMov(dst0[c], val0);
- break;
- case TGSI_OPCODE_DP4:
- val0 = buildDot(4);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkMov(dst0[c], val0);
- break;
- case TGSI_OPCODE_DST:
- if (dst0[0])
- loadImm(dst0[0], 1.0f);
- if (dst0[1]) {
- src0 = fetchSrc(0, 1);
- src1 = fetchSrc(1, 1);
- mkOp2(OP_MUL, TYPE_F32, dst0[1], src0, src1)
- ->dnz = info->io.mul_zero_wins;
- }
- if (dst0[2])
- mkMov(dst0[2], fetchSrc(0, 2));
- if (dst0[3])
- mkMov(dst0[3], fetchSrc(1, 3));
- break;
- case TGSI_OPCODE_LRP:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- src2 = fetchSrc(2, c);
- mkOp3(OP_MAD, TYPE_F32, dst0[c],
- mkOp2v(OP_SUB, TYPE_F32, getSSA(), src1, src2), src0, src2)
- ->dnz = info->io.mul_zero_wins;
- }
- break;
- case TGSI_OPCODE_LIT:
- handleLIT(dst0);
- break;
- case TGSI_OPCODE_ISSG:
- case TGSI_OPCODE_SSG:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- val0 = getScratch();
- val1 = getScratch();
- mkCmp(OP_SET, CC_GT, srcTy, val0, srcTy, src0, zero);
- mkCmp(OP_SET, CC_LT, srcTy, val1, srcTy, src0, zero);
- if (srcTy == TYPE_F32)
- mkOp2(OP_SUB, TYPE_F32, dst0[c], val0, val1);
- else
- mkOp2(OP_SUB, TYPE_S32, dst0[c], val1, val0);
- }
- break;
- case TGSI_OPCODE_UCMP:
- srcTy = TYPE_U32;
- FALLTHROUGH;
- case TGSI_OPCODE_CMP:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- src2 = fetchSrc(2, c);
- if (src1 == src2)
- mkMov(dst0[c], src1);
- else
- mkCmp(OP_SLCT, (srcTy == TYPE_F32) ? CC_LT : CC_NE,
- srcTy, dst0[c], srcTy, src1, src2, src0);
- }
- break;
- case TGSI_OPCODE_FRC:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- val0 = getScratch();
- mkOp1(OP_FLOOR, TYPE_F32, val0, src0);
- mkOp2(OP_SUB, TYPE_F32, dst0[c], src0, val0);
- }
- break;
- case TGSI_OPCODE_ROUND:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkCvt(OP_CVT, TYPE_F32, dst0[c], TYPE_F32, fetchSrc(0, c))
- ->rnd = ROUND_NI;
- break;
- case TGSI_OPCODE_SLT:
- case TGSI_OPCODE_SGE:
- case TGSI_OPCODE_SEQ:
- case TGSI_OPCODE_SGT:
- case TGSI_OPCODE_SLE:
- case TGSI_OPCODE_SNE:
- case TGSI_OPCODE_FSEQ:
- case TGSI_OPCODE_FSGE:
- case TGSI_OPCODE_FSLT:
- case TGSI_OPCODE_FSNE:
- case TGSI_OPCODE_ISGE:
- case TGSI_OPCODE_ISLT:
- case TGSI_OPCODE_USEQ:
- case TGSI_OPCODE_USGE:
- case TGSI_OPCODE_USLT:
- case TGSI_OPCODE_USNE:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- mkCmp(op, tgsi.getSetCond(), dstTy, dst0[c], srcTy, src0, src1);
- }
- break;
- case TGSI_OPCODE_VOTE_ALL:
- case TGSI_OPCODE_VOTE_ANY:
- case TGSI_OPCODE_VOTE_EQ:
- val0 = new_LValue(func, FILE_PREDICATE);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- mkCmp(OP_SET, CC_NE, TYPE_U32, val0, TYPE_U32, fetchSrc(0, c), zero);
- mkOp1(op, dstTy, val0, val0)
- ->subOp = tgsi::opcodeToSubOp(tgsi.getOpcode());
- mkCvt(OP_CVT, TYPE_U32, dst0[c], TYPE_U8, val0);
- }
- break;
- case TGSI_OPCODE_BALLOT:
- if (!tgsi.getDst(0).isMasked(0)) {
- val0 = new_LValue(func, FILE_PREDICATE);
- mkCmp(OP_SET, CC_NE, TYPE_U32, val0, TYPE_U32, fetchSrc(0, 0), zero);
- mkOp1(op, TYPE_U32, dst0[0], val0)->subOp = NV50_IR_SUBOP_VOTE_ANY;
- }
- if (!tgsi.getDst(0).isMasked(1))
- mkMov(dst0[1], zero, TYPE_U32);
- break;
- case TGSI_OPCODE_READ_FIRST:
- // ReadFirstInvocationARB(src) is implemented as
- // ReadInvocationARB(src, findLSB(ballot(true)))
- val0 = getScratch();
- mkOp1(OP_VOTE, TYPE_U32, val0, mkImm(1))->subOp = NV50_IR_SUBOP_VOTE_ANY;
- mkOp1(OP_BREV, TYPE_U32, val0, val0);
- mkOp1(OP_BFIND, TYPE_U32, val0, val0)->subOp = NV50_IR_SUBOP_BFIND_SAMT;
- src1 = val0;
- FALLTHROUGH;
- case TGSI_OPCODE_READ_INVOC:
- if (tgsi.getOpcode() == TGSI_OPCODE_READ_INVOC)
- src1 = fetchSrc(1, 0);
- else
- src1 = val0;
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- geni = mkOp3(op, dstTy, dst0[c], fetchSrc(0, c), src1, mkImm(0x1f));
- geni->subOp = NV50_IR_SUBOP_SHFL_IDX;
- }
- break;
- case TGSI_OPCODE_CLOCK:
- // Stick the 32-bit clock into the high dword of the logical result.
- if (!tgsi.getDst(0).isMasked(0))
- mkOp1(OP_MOV, TYPE_U32, dst0[0], zero);
- if (!tgsi.getDst(0).isMasked(1))
- mkOp1(OP_RDSV, TYPE_U32, dst0[1], mkSysVal(SV_CLOCK, 0))->fixed = 1;
- break;
- case TGSI_OPCODE_READ_HELPER:
- if (!tgsi.getDst(0).isMasked(0))
- mkOp1(OP_RDSV, TYPE_U32, dst0[0], mkSysVal(SV_THREAD_KILL, 0))
- ->fixed = 1;
- break;
- case TGSI_OPCODE_KILL_IF:
- val0 = new_LValue(func, FILE_PREDICATE);
- mask = 0;
- for (c = 0; c < 4; ++c) {
- const int s = tgsi.getSrc(0).getSwizzle(c);
- if (mask & (1 << s))
- continue;
- mask |= 1 << s;
- mkCmp(OP_SET, CC_LT, TYPE_F32, val0, TYPE_F32, fetchSrc(0, c), zero);
- mkOp(OP_DISCARD, TYPE_NONE, NULL)->setPredicate(CC_P, val0);
- }
- break;
- case TGSI_OPCODE_KILL:
- case TGSI_OPCODE_DEMOTE:
- // TODO: Should we make KILL exit that invocation? Some old shaders
- // don't like that.
- mkOp(OP_DISCARD, TYPE_NONE, NULL);
- break;
- case TGSI_OPCODE_TEX:
- case TGSI_OPCODE_TEX_LZ:
- case TGSI_OPCODE_TXB:
- case TGSI_OPCODE_TXL:
- case TGSI_OPCODE_TXP:
- case TGSI_OPCODE_LODQ:
- // R S L C Dx Dy
- handleTEX(dst0, 1, 1, 0x03, 0x0f, 0x00, 0x00);
- break;
- case TGSI_OPCODE_TXD:
- handleTEX(dst0, 3, 3, 0x03, 0x0f, 0x10, 0x20);
- break;
- case TGSI_OPCODE_TG4:
- handleTEX(dst0, 2, 2, 0x03, 0x0f, 0x00, 0x00);
- break;
- case TGSI_OPCODE_TEX2:
- handleTEX(dst0, 2, 2, 0x03, 0x10, 0x00, 0x00);
- break;
- case TGSI_OPCODE_TXB2:
- case TGSI_OPCODE_TXL2:
- handleTEX(dst0, 2, 2, 0x10, 0x0f, 0x00, 0x00);
- break;
- case TGSI_OPCODE_SAMPLE:
- case TGSI_OPCODE_SAMPLE_B:
- case TGSI_OPCODE_SAMPLE_D:
- case TGSI_OPCODE_SAMPLE_L:
- case TGSI_OPCODE_SAMPLE_C:
- case TGSI_OPCODE_SAMPLE_C_LZ:
- handleTEX(dst0, 1, 2, 0x30, 0x30, 0x30, 0x40);
- break;
- case TGSI_OPCODE_TXF_LZ:
- case TGSI_OPCODE_TXF:
- handleTXF(dst0, 1, 0x03);
- break;
- case TGSI_OPCODE_SAMPLE_I:
- handleTXF(dst0, 1, 0x03);
- break;
- case TGSI_OPCODE_SAMPLE_I_MS:
- handleTXF(dst0, 1, 0x20);
- break;
- case TGSI_OPCODE_TXQ:
- case TGSI_OPCODE_SVIEWINFO:
- handleTXQ(dst0, TXQ_DIMS, 1);
- break;
- case TGSI_OPCODE_TXQS:
- // The TXQ_TYPE query returns samples in its 3rd arg, but we need it to
- // be in .x
- dst0[1] = dst0[2] = dst0[3] = NULL;
- std::swap(dst0[0], dst0[2]);
- handleTXQ(dst0, TXQ_TYPE, 0);
- std::swap(dst0[0], dst0[2]);
- break;
- case TGSI_OPCODE_FBFETCH:
- handleFBFETCH(dst0);
- break;
- case TGSI_OPCODE_F2I:
- case TGSI_OPCODE_F2U:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkCvt(OP_CVT, dstTy, dst0[c], srcTy, fetchSrc(0, c))->rnd = ROUND_Z;
- break;
- case TGSI_OPCODE_I2F:
- case TGSI_OPCODE_U2F:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkCvt(OP_CVT, dstTy, dst0[c], srcTy, fetchSrc(0, c));
- break;
- case TGSI_OPCODE_PK2H:
- val0 = getScratch();
- val1 = getScratch();
- mkCvt(OP_CVT, TYPE_F16, val0, TYPE_F32, fetchSrc(0, 0));
- mkCvt(OP_CVT, TYPE_F16, val1, TYPE_F32, fetchSrc(0, 1));
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi)
- mkOp3(OP_INSBF, TYPE_U32, dst0[c], val1, mkImm(0x1010), val0);
- break;
- case TGSI_OPCODE_UP2H:
- src0 = fetchSrc(0, 0);
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- geni = mkCvt(OP_CVT, TYPE_F32, dst0[c], TYPE_F16, src0);
- geni->subOp = c & 1;
- }
- break;
- case TGSI_OPCODE_EMIT:
- /* export the saved viewport index */
- if (viewport != NULL) {
- Symbol *vpSym = mkSymbol(FILE_SHADER_OUTPUT, 0, TYPE_U32,
- info_out->out[info->io.viewportId].slot[0] * 4);
- mkStore(OP_EXPORT, TYPE_U32, vpSym, NULL, viewport);
- }
- /* handle user clip planes for each emitted vertex */
- if (info_out->io.genUserClip > 0)
- handleUserClipPlanes();
- FALLTHROUGH;
- case TGSI_OPCODE_ENDPRIM:
- {
- // get vertex stream (must be immediate)
- unsigned int stream = tgsi.getSrc(0).getValueU32(0, code->immd.data);
- if (stream && op == OP_RESTART)
- break;
- if (info_out->prop.gp.maxVertices == 0)
- break;
- src0 = mkImm(stream);
- mkOp1(op, TYPE_U32, NULL, src0)->fixed = 1;
- break;
- }
- case TGSI_OPCODE_IF:
- case TGSI_OPCODE_UIF:
- {
- BasicBlock *ifBB = new BasicBlock(func);
-
- bb->cfg.attach(&ifBB->cfg, Graph::Edge::TREE);
- condBBs.push(bb);
- joinBBs.push(bb);
-
- mkFlow(OP_BRA, NULL, CC_NOT_P, fetchSrc(0, 0))->setType(srcTy);
-
- setPosition(ifBB, true);
- }
- break;
- case TGSI_OPCODE_ELSE:
- {
- BasicBlock *elseBB = new BasicBlock(func);
- BasicBlock *forkBB = reinterpret_cast<BasicBlock *>(condBBs.pop().u.p);
-
- forkBB->cfg.attach(&elseBB->cfg, Graph::Edge::TREE);
- condBBs.push(bb);
-
- forkBB->getExit()->asFlow()->target.bb = elseBB;
- if (!bb->isTerminated())
- mkFlow(OP_BRA, NULL, CC_ALWAYS, NULL);
-
- setPosition(elseBB, true);
- }
- break;
- case TGSI_OPCODE_ENDIF:
- {
- BasicBlock *convBB = new BasicBlock(func);
- BasicBlock *prevBB = reinterpret_cast<BasicBlock *>(condBBs.pop().u.p);
- BasicBlock *forkBB = reinterpret_cast<BasicBlock *>(joinBBs.pop().u.p);
-
- if (!bb->isTerminated()) {
- // we only want join if none of the clauses ended with CONT/BREAK/RET
- if (prevBB->getExit()->op == OP_BRA && joinBBs.getSize() < 6)
- insertConvergenceOps(convBB, forkBB);
- mkFlow(OP_BRA, convBB, CC_ALWAYS, NULL);
- bb->cfg.attach(&convBB->cfg, Graph::Edge::FORWARD);
- }
-
- if (prevBB->getExit()->op == OP_BRA) {
- prevBB->cfg.attach(&convBB->cfg, Graph::Edge::FORWARD);
- prevBB->getExit()->asFlow()->target.bb = convBB;
- }
- setPosition(convBB, true);
- }
- break;
- case TGSI_OPCODE_BGNLOOP:
- {
- BasicBlock *lbgnBB = new BasicBlock(func);
- BasicBlock *lbrkBB = new BasicBlock(func);
-
- loopBBs.push(lbgnBB);
- breakBBs.push(lbrkBB);
- if (loopBBs.getSize() > func->loopNestingBound)
- func->loopNestingBound++;
-
- mkFlow(OP_PREBREAK, lbrkBB, CC_ALWAYS, NULL);
-
- bb->cfg.attach(&lbgnBB->cfg, Graph::Edge::TREE);
- setPosition(lbgnBB, true);
- mkFlow(OP_PRECONT, lbgnBB, CC_ALWAYS, NULL);
-
- info_out->loops++;
- }
- break;
- case TGSI_OPCODE_ENDLOOP:
- {
- BasicBlock *loopBB = reinterpret_cast<BasicBlock *>(loopBBs.pop().u.p);
-
- if (!bb->isTerminated()) {
- mkFlow(OP_CONT, loopBB, CC_ALWAYS, NULL);
- bb->cfg.attach(&loopBB->cfg, Graph::Edge::BACK);
- }
- setPosition(reinterpret_cast<BasicBlock *>(breakBBs.pop().u.p), true);
-
- // If the loop never breaks (e.g. only has RET's inside), then there
- // will be no way to get to the break bb. However BGNLOOP will have
- // already made a PREBREAK to it, so it must be in the CFG.
- if (getBB()->cfg.incidentCount() == 0)
- loopBB->cfg.attach(&getBB()->cfg, Graph::Edge::TREE);
- }
- break;
- case TGSI_OPCODE_BRK:
- {
- if (bb->isTerminated())
- break;
- BasicBlock *brkBB = reinterpret_cast<BasicBlock *>(breakBBs.peek().u.p);
- mkFlow(OP_BREAK, brkBB, CC_ALWAYS, NULL);
- bb->cfg.attach(&brkBB->cfg, Graph::Edge::CROSS);
- }
- break;
- case TGSI_OPCODE_CONT:
- {
- if (bb->isTerminated())
- break;
- BasicBlock *contBB = reinterpret_cast<BasicBlock *>(loopBBs.peek().u.p);
- mkFlow(OP_CONT, contBB, CC_ALWAYS, NULL);
- contBB->explicitCont = true;
- bb->cfg.attach(&contBB->cfg, Graph::Edge::BACK);
- }
- break;
- case TGSI_OPCODE_BGNSUB:
- {
- Subroutine *s = getSubroutine(ip);
- BasicBlock *entry = new BasicBlock(s->f);
- BasicBlock *leave = new BasicBlock(s->f);
-
- // multiple entrypoints possible, keep the graph connected
- if (prog->getType() == Program::TYPE_COMPUTE)
- prog->main->call.attach(&s->f->call, Graph::Edge::TREE);
-
- sub.cur = s;
- s->f->setEntry(entry);
- s->f->setExit(leave);
- setPosition(entry, true);
- return true;
- }
- case TGSI_OPCODE_ENDSUB:
- {
- sub.cur = getSubroutine(prog->main);
- setPosition(BasicBlock::get(sub.cur->f->cfg.getRoot()), true);
- return true;
- }
- case TGSI_OPCODE_CAL:
- {
- Subroutine *s = getSubroutine(tgsi.getLabel());
- mkFlow(OP_CALL, s->f, CC_ALWAYS, NULL);
- func->call.attach(&s->f->call, Graph::Edge::TREE);
- return true;
- }
- case TGSI_OPCODE_RET:
- {
- if (bb->isTerminated())
- return true;
- BasicBlock *leave = BasicBlock::get(func->cfgExit);
-
- if (!isEndOfSubroutine(ip + 1)) {
- // insert a PRERET at the entry if this is an early return
- // (only needed for sharing code in the epilogue)
- BasicBlock *root = BasicBlock::get(func->cfg.getRoot());
- if (root->getEntry() == NULL || root->getEntry()->op != OP_PRERET) {
- BasicBlock *pos = getBB();
- setPosition(root, false);
- mkFlow(OP_PRERET, leave, CC_ALWAYS, NULL)->fixed = 1;
- setPosition(pos, true);
- }
- }
- mkFlow(OP_RET, NULL, CC_ALWAYS, NULL)->fixed = 1;
- bb->cfg.attach(&leave->cfg, Graph::Edge::CROSS);
- }
- break;
- case TGSI_OPCODE_END:
- {
- // attach and generate epilogue code
- BasicBlock *epilogue = BasicBlock::get(func->cfgExit);
- bb->cfg.attach(&epilogue->cfg, Graph::Edge::TREE);
- setPosition(epilogue, true);
- if (prog->getType() == Program::TYPE_FRAGMENT)
- exportOutputs();
- if ((prog->getType() == Program::TYPE_VERTEX ||
- prog->getType() == Program::TYPE_TESSELLATION_EVAL
- ) && info_out->io.genUserClip > 0)
- handleUserClipPlanes();
- mkOp(OP_EXIT, TYPE_NONE, NULL)->terminator = 1;
- }
- break;
- case TGSI_OPCODE_SWITCH:
- case TGSI_OPCODE_CASE:
- ERROR("switch/case opcode encountered, should have been lowered\n");
- abort();
- break;
- case TGSI_OPCODE_LOAD:
- handleLOAD(dst0);
- break;
- case TGSI_OPCODE_STORE:
- handleSTORE();
- break;
- case TGSI_OPCODE_BARRIER:
- geni = mkOp2(OP_BAR, TYPE_U32, NULL, mkImm(0), mkImm(0));
- geni->fixed = 1;
- geni->subOp = NV50_IR_SUBOP_BAR_SYNC;
- break;
- case TGSI_OPCODE_MEMBAR:
- {
- uint32_t level = tgsi.getSrc(0).getValueU32(0, code->immd.data);
- geni = mkOp(OP_MEMBAR, TYPE_NONE, NULL);
- geni->fixed = 1;
- if (!(level & ~(TGSI_MEMBAR_THREAD_GROUP | TGSI_MEMBAR_SHARED)))
- geni->subOp = NV50_IR_SUBOP_MEMBAR(M, CTA);
- else
- geni->subOp = NV50_IR_SUBOP_MEMBAR(M, GL);
- }
- break;
- case TGSI_OPCODE_ATOMUADD:
- case TGSI_OPCODE_ATOMXCHG:
- case TGSI_OPCODE_ATOMCAS:
- case TGSI_OPCODE_ATOMAND:
- case TGSI_OPCODE_ATOMOR:
- case TGSI_OPCODE_ATOMXOR:
- case TGSI_OPCODE_ATOMUMIN:
- case TGSI_OPCODE_ATOMIMIN:
- case TGSI_OPCODE_ATOMUMAX:
- case TGSI_OPCODE_ATOMIMAX:
- case TGSI_OPCODE_ATOMFADD:
- case TGSI_OPCODE_ATOMDEC_WRAP:
- case TGSI_OPCODE_ATOMINC_WRAP:
- handleATOM(dst0, dstTy, tgsi::opcodeToSubOp(tgsi.getOpcode()));
- break;
- case TGSI_OPCODE_RESQ:
- if (tgsi.getSrc(0).getFile() == TGSI_FILE_BUFFER) {
- Value *ind = NULL;
- if (tgsi.getSrc(0).isIndirect(0))
- ind = fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, 0);
- geni = mkOp1(OP_BUFQ, TYPE_U32, dst0[0],
- makeSym(tgsi.getSrc(0).getFile(),
- tgsi.getSrc(0).getIndex(0), -1, 0, 0));
- if (ind)
- geni->setIndirect(0, 1, ind);
- } else {
- TexInstruction *texi = new_TexInstruction(func, OP_SUQ);
- for (int c = 0, d = 0; c < 4; ++c) {
- if (dst0[c]) {
- texi->setDef(d++, dst0[c]);
- texi->tex.mask |= 1 << c;
- }
- }
- if (tgsi.getSrc(0).getFile() == TGSI_FILE_IMAGE) {
- texi->tex.r = tgsi.getSrc(0).getIndex(0);
- if (tgsi.getSrc(0).isIndirect(0))
- texi->setIndirectR(fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, NULL));
- } else {
- texi->tex.bindless = true;
- texi->setIndirectR(fetchSrc(0, 0));
- }
- texi->tex.target = tgsi.getImageTarget();
-
- bb->insertTail(texi);
- }
- break;
- case TGSI_OPCODE_IBFE:
- case TGSI_OPCODE_UBFE:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- val0 = getScratch();
- if (tgsi.getSrc(1).getFile() == TGSI_FILE_IMMEDIATE &&
- tgsi.getSrc(2).getFile() == TGSI_FILE_IMMEDIATE) {
- loadImm(val0, (tgsi.getSrc(2).getValueU32(c, code->immd.data) << 8) |
- tgsi.getSrc(1).getValueU32(c, code->immd.data));
- } else {
- src1 = fetchSrc(1, c);
- src2 = fetchSrc(2, c);
- mkOp3(OP_INSBF, TYPE_U32, val0, src2, mkImm(0x808), src1);
- }
- mkOp2(OP_EXTBF, dstTy, dst0[c], src0, val0);
- }
- break;
- case TGSI_OPCODE_BFI:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- src2 = fetchSrc(2, c);
- src3 = fetchSrc(3, c);
- val0 = getScratch();
- mkOp3(OP_INSBF, TYPE_U32, val0, src3, mkImm(0x808), src2);
- mkOp3(OP_INSBF, TYPE_U32, dst0[c], src1, val0, src0);
- }
- break;
- case TGSI_OPCODE_LSB:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- val0 = getScratch();
- mkOp1(OP_BREV, TYPE_U32, val0, src0);
- geni = mkOp1(OP_BFIND, TYPE_U32, dst0[c], val0);
- geni->subOp = NV50_IR_SUBOP_BFIND_SAMT;
- }
- break;
- case TGSI_OPCODE_IMSB:
- case TGSI_OPCODE_UMSB:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- mkOp1(OP_BFIND, srcTy, dst0[c], src0);
- }
- break;
- case TGSI_OPCODE_BREV:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- mkOp1(OP_BREV, TYPE_U32, dst0[c], src0);
- }
- break;
- case TGSI_OPCODE_POPC:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = fetchSrc(0, c);
- mkOp2(OP_POPCNT, TYPE_U32, dst0[c], src0, src0);
- }
- break;
- case TGSI_OPCODE_INTERP_CENTROID:
- case TGSI_OPCODE_INTERP_SAMPLE:
- case TGSI_OPCODE_INTERP_OFFSET:
- handleINTERP(dst0);
- break;
- case TGSI_OPCODE_I642F:
- case TGSI_OPCODE_U642F:
- case TGSI_OPCODE_D2I:
- case TGSI_OPCODE_D2U:
- case TGSI_OPCODE_D2F: {
- int pos = 0;
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- Value *dreg = getSSA(8);
- src0 = fetchSrc(0, pos);
- src1 = fetchSrc(0, pos + 1);
- mkOp2(OP_MERGE, TYPE_U64, dreg, src0, src1);
- Instruction *cvt = mkCvt(OP_CVT, dstTy, dst0[c], srcTy, dreg);
- if (!isFloatType(dstTy))
- cvt->rnd = ROUND_Z;
- pos += 2;
- }
- break;
- }
- case TGSI_OPCODE_I2I64:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- dst0[c] = fetchSrc(0, c / 2);
- mkOp2(OP_SHR, TYPE_S32, dst0[c + 1], dst0[c], loadImm(NULL, 31));
- c++;
- }
- break;
- case TGSI_OPCODE_U2I64:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- dst0[c] = fetchSrc(0, c / 2);
- dst0[c + 1] = zero;
- c++;
- }
- break;
- case TGSI_OPCODE_F2I64:
- case TGSI_OPCODE_F2U64:
- case TGSI_OPCODE_I2D:
- case TGSI_OPCODE_U2D:
- case TGSI_OPCODE_F2D:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- Value *dreg = getSSA(8);
- Instruction *cvt = mkCvt(OP_CVT, dstTy, dreg, srcTy, fetchSrc(0, c / 2));
- if (!isFloatType(dstTy))
- cvt->rnd = ROUND_Z;
- mkSplit(&dst0[c], 4, dreg);
- c++;
- }
- break;
- case TGSI_OPCODE_D2I64:
- case TGSI_OPCODE_D2U64:
- case TGSI_OPCODE_I642D:
- case TGSI_OPCODE_U642D:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- Instruction *cvt = mkCvt(OP_CVT, dstTy, dst, srcTy, src0);
- if (!isFloatType(dstTy))
- cvt->rnd = ROUND_Z;
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_I64NEG:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- mkOp2(OP_SUB, dstTy, dst, zero, src0);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_I64ABS:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *neg = getSSA(8), *srcComp[2], *negComp[2];
- srcComp[0] = fetchSrc(0, c);
- srcComp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, srcComp[0], srcComp[1]);
- mkOp2(OP_SUB, dstTy, neg, zero, src0);
- mkSplit(negComp, 4, neg);
- mkCmp(OP_SLCT, CC_LT, TYPE_S32, dst0[c], TYPE_S32,
- negComp[0], srcComp[0], srcComp[1]);
- mkCmp(OP_SLCT, CC_LT, TYPE_S32, dst0[c + 1], TYPE_S32,
- negComp[1], srcComp[1], srcComp[1]);
- c++;
- }
- break;
- case TGSI_OPCODE_DABS:
- case TGSI_OPCODE_DNEG:
- case TGSI_OPCODE_DRCP:
- case TGSI_OPCODE_DSQRT:
- case TGSI_OPCODE_DRSQ:
- case TGSI_OPCODE_DTRUNC:
- case TGSI_OPCODE_DCEIL:
- case TGSI_OPCODE_DFLR:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- mkOp1(op, dstTy, dst, src0);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_DFRAC:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- mkOp1(OP_FLOOR, TYPE_F64, dst, src0);
- mkOp2(OP_SUB, TYPE_F64, dst, src0, dst);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_U64SEQ:
- case TGSI_OPCODE_U64SNE:
- case TGSI_OPCODE_U64SLT:
- case TGSI_OPCODE_U64SGE:
- case TGSI_OPCODE_I64SLT:
- case TGSI_OPCODE_I64SGE:
- case TGSI_OPCODE_DSLT:
- case TGSI_OPCODE_DSGE:
- case TGSI_OPCODE_DSEQ:
- case TGSI_OPCODE_DSNE: {
- int pos = 0;
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- Value *tmp[2];
-
- src0 = getSSA(8);
- src1 = getSSA(8);
- tmp[0] = fetchSrc(0, pos);
- tmp[1] = fetchSrc(0, pos + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- tmp[0] = fetchSrc(1, pos);
- tmp[1] = fetchSrc(1, pos + 1);
- mkOp2(OP_MERGE, TYPE_U64, src1, tmp[0], tmp[1]);
- mkCmp(op, tgsi.getSetCond(), dstTy, dst0[c], srcTy, src0, src1);
- pos += 2;
- }
- break;
- }
- case TGSI_OPCODE_U64MIN:
- case TGSI_OPCODE_U64MAX:
- case TGSI_OPCODE_I64MIN:
- case TGSI_OPCODE_I64MAX: {
- dstTy = isSignedIntType(dstTy) ? TYPE_S32 : TYPE_U32;
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- Value *flag = getSSA(1, FILE_FLAGS);
- src0 = fetchSrc(0, c + 1);
- src1 = fetchSrc(1, c + 1);
- geni = mkOp2(op, dstTy, dst0[c + 1], src0, src1);
- geni->subOp = NV50_IR_SUBOP_MINMAX_HIGH;
- geni->setFlagsDef(1, flag);
-
- src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- geni = mkOp2(op, TYPE_U32, dst0[c], src0, src1);
- geni->subOp = NV50_IR_SUBOP_MINMAX_LOW;
- geni->setFlagsSrc(2, flag);
-
- c++;
- }
- break;
- }
- case TGSI_OPCODE_U64SHL:
- case TGSI_OPCODE_I64SHR:
- case TGSI_OPCODE_U64SHR:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- // Theoretically src1 is a 64-bit value but in practice only the low
- // bits matter. The IR expects this to be a 32-bit value.
- src1 = fetchSrc(1, c);
- mkOp2(op, dstTy, dst, src0, src1);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_U64ADD:
- case TGSI_OPCODE_U64MUL:
- case TGSI_OPCODE_DADD:
- case TGSI_OPCODE_DMUL:
- case TGSI_OPCODE_DDIV:
- case TGSI_OPCODE_DMAX:
- case TGSI_OPCODE_DMIN:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- src1 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- tmp[0] = fetchSrc(1, c);
- tmp[1] = fetchSrc(1, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src1, tmp[0], tmp[1]);
- mkOp2(op, dstTy, dst, src0, src1);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_DMAD:
- case TGSI_OPCODE_DFMA:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- src1 = getSSA(8);
- src2 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- tmp[0] = fetchSrc(1, c);
- tmp[1] = fetchSrc(1, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src1, tmp[0], tmp[1]);
- tmp[0] = fetchSrc(2, c);
- tmp[1] = fetchSrc(2, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src2, tmp[0], tmp[1]);
- mkOp3(op, dstTy, dst, src0, src1, src2);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_DROUND:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
- mkCvt(OP_CVT, TYPE_F64, dst, TYPE_F64, src0)
- ->rnd = ROUND_NI;
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_DSSG:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *dst = getSSA(8), *dstF32 = getSSA(), *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
-
- val0 = getScratch();
- val1 = getScratch();
- // The zero is wrong here since it's only 32-bit, but it works out in
- // the end since it gets replaced with $r63.
- mkCmp(OP_SET, CC_GT, TYPE_F32, val0, TYPE_F64, src0, zero);
- mkCmp(OP_SET, CC_LT, TYPE_F32, val1, TYPE_F64, src0, zero);
- mkOp2(OP_SUB, TYPE_F32, dstF32, val0, val1);
- mkCvt(OP_CVT, TYPE_F64, dst, TYPE_F32, dstF32);
- mkSplit(&dst0[c], 4, dst);
- c++;
- }
- break;
- case TGSI_OPCODE_I64SSG:
- FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
- src0 = getSSA(8);
- Value *tmp[2];
- tmp[0] = fetchSrc(0, c);
- tmp[1] = fetchSrc(0, c + 1);
- mkOp2(OP_MERGE, TYPE_U64, src0, tmp[0], tmp[1]);
-
- val0 = getScratch();
- val1 = getScratch();
- mkCmp(OP_SET, CC_GT, TYPE_U32, val0, TYPE_S64, src0, zero);
- mkCmp(OP_SET, CC_LT, TYPE_U32, val1, TYPE_S64, src0, zero);
- mkOp2(OP_SUB, TYPE_S32, dst0[c], val1, val0);
- mkOp2(OP_SHR, TYPE_S32, dst0[c + 1], dst0[c], loadImm(0, 31));
- c++;
- }
- break;
- default:
- ERROR("unhandled TGSI opcode: %u\n", tgsi.getOpcode());
- assert(0);
- break;
- }
-
- if (tgsi.dstCount() && tgsi.getOpcode() != TGSI_OPCODE_STORE) {
- for (c = 0; c < 4; ++c) {
- if (!dst0[c])
- continue;
- if (dst0[c] != rDst0[c])
- mkMov(rDst0[c], dst0[c]);
- storeDst(0, c, rDst0[c]);
- }
- }
- vtxBaseValid = 0;
-
- return true;
-}
-
-void
-Converter::exportOutputs()
-{
- if (info->io.alphaRefBase) {
- for (unsigned int i = 0; i < info_out->numOutputs; ++i) {
- if (info_out->out[i].sn != TGSI_SEMANTIC_COLOR ||
- info_out->out[i].si != 0)
- continue;
- const unsigned int c = 3;
- if (!oData.exists(sub.cur->values, i, c))
- continue;
- Value *val = oData.load(sub.cur->values, i, c, NULL);
- if (!val)
- continue;
-
- Symbol *ref = mkSymbol(FILE_MEMORY_CONST, info->io.auxCBSlot,
- TYPE_U32, info->io.alphaRefBase);
- Value *pred = new_LValue(func, FILE_PREDICATE);
- mkCmp(OP_SET, CC_TR, TYPE_U32, pred, TYPE_F32, val,
- mkLoadv(TYPE_U32, ref, NULL))
- ->subOp = 1;
- mkOp(OP_DISCARD, TYPE_NONE, NULL)->setPredicate(CC_NOT_P, pred);
- }
- }
-
- for (unsigned int i = 0; i < info_out->numOutputs; ++i) {
- for (unsigned int c = 0; c < 4; ++c) {
- if (!oData.exists(sub.cur->values, i, c))
- continue;
- Symbol *sym = mkSymbol(FILE_SHADER_OUTPUT, 0, TYPE_F32,
- info_out->out[i].slot[c] * 4);
- Value *val = oData.load(sub.cur->values, i, c, NULL);
- if (val) {
- if (info_out->out[i].sn == TGSI_SEMANTIC_POSITION)
- mkOp1(OP_SAT, TYPE_F32, val, val);
- mkStore(OP_EXPORT, TYPE_F32, sym, NULL, val);
- }
- }
- }
-}
-
-Converter::Converter(Program *ir, const tgsi::Source *code, nv50_ir_prog_info_out *info_out)
-: ConverterCommon(ir, code->info, info_out),
- code(code),
- tgsi(NULL),
- tData(this), lData(this), aData(this), oData(this)
-{
- const unsigned tSize = code->fileSize(TGSI_FILE_TEMPORARY);
- const unsigned aSize = code->fileSize(TGSI_FILE_ADDRESS);
- const unsigned oSize = code->fileSize(TGSI_FILE_OUTPUT);
-
- tData.setup(TGSI_FILE_TEMPORARY, 0, 0, tSize, 4, 4, FILE_GPR, 0);
- lData.setup(TGSI_FILE_TEMPORARY, 1, 0, tSize, 4, 4, FILE_MEMORY_LOCAL, 0);
- aData.setup(TGSI_FILE_ADDRESS, 0, 0, aSize, 4, 4, FILE_GPR, 0);
- oData.setup(TGSI_FILE_OUTPUT, 0, 0, oSize, 4, 4, FILE_GPR, 0);
-
- zero = mkImm((uint32_t)0);
-
- vtxBaseValid = 0;
-}
-
-Converter::~Converter()
-{
-}
-
-inline const Converter::Location *
-Converter::BindArgumentsPass::getValueLocation(Subroutine *s, Value *v)
-{
- ValueMap::l_iterator it = s->values.l.find(v);
- return it == s->values.l.end() ? NULL : &it->second;
-}
-
-template<typename T> inline void
-Converter::BindArgumentsPass::updateCallArgs(
- Instruction *i, void (Instruction::*setArg)(int, Value *),
- T (Function::*proto))
-{
- Function *g = i->asFlow()->target.fn;
- Subroutine *subg = conv.getSubroutine(g);
-
- for (unsigned a = 0; a < (g->*proto).size(); ++a) {
- Value *v = (g->*proto)[a].get();
- const Converter::Location &l = *getValueLocation(subg, v);
- Converter::DataArray *array = conv.getArrayForFile(l.array, l.arrayIdx);
-
- (i->*setArg)(a, array->acquire(sub->values, l.i, l.c));
- }
-}
-
-template<typename T> inline void
-Converter::BindArgumentsPass::updatePrototype(
- BitSet *set, void (Function::*updateSet)(), T (Function::*proto))
-{
- (func->*updateSet)();
-
- for (unsigned i = 0; i < set->getSize(); ++i) {
- Value *v = func->getLValue(i);
- const Converter::Location *l = getValueLocation(sub, v);
-
- // only include values with a matching TGSI register
- if (set->test(i) && l && !conv.code->locals.count(*l))
- (func->*proto).push_back(v);
- }
-}
-
-bool
-Converter::BindArgumentsPass::visit(Function *f)
-{
- sub = conv.getSubroutine(f);
-
- for (ArrayList::Iterator bi = f->allBBlocks.iterator();
- !bi.end(); bi.next()) {
- for (Instruction *i = BasicBlock::get(bi)->getFirst();
- i; i = i->next) {
- if (i->op == OP_CALL && !i->asFlow()->builtin) {
- updateCallArgs(i, &Instruction::setSrc, &Function::ins);
- updateCallArgs(i, &Instruction::setDef, &Function::outs);
- }
- }
- }
-
- if (func == prog->main /* && prog->getType() != Program::TYPE_COMPUTE */)
- return true;
- updatePrototype(&BasicBlock::get(f->cfg.getRoot())->liveSet,
- &Function::buildLiveSets, &Function::ins);
- updatePrototype(&BasicBlock::get(f->cfgExit)->defSet,
- &Function::buildDefSets, &Function::outs);
-
- return true;
-}
-
-bool
-Converter::run()
-{
- BasicBlock *entry = new BasicBlock(prog->main);
- BasicBlock *leave = new BasicBlock(prog->main);
-
- prog->main->setEntry(entry);
- prog->main->setExit(leave);
-
- setPosition(entry, true);
- sub.cur = getSubroutine(prog->main);
-
- if (info_out->io.genUserClip > 0) {
- for (int c = 0; c < 4; ++c)
- clipVtx[c] = getScratch();
- }
-
- switch (prog->getType()) {
- case Program::TYPE_TESSELLATION_CONTROL:
- outBase = mkOp2v(
- OP_SUB, TYPE_U32, getSSA(),
- mkOp1v(OP_RDSV, TYPE_U32, getSSA(), mkSysVal(SV_LANEID, 0)),
- mkOp1v(OP_RDSV, TYPE_U32, getSSA(), mkSysVal(SV_INVOCATION_ID, 0)));
- break;
- case Program::TYPE_FRAGMENT: {
- Symbol *sv = mkSysVal(SV_POSITION, 3);
- fragCoord[3] = mkOp1v(OP_RDSV, TYPE_F32, getSSA(), sv);
- mkOp1(OP_RCP, TYPE_F32, fragCoord[3], fragCoord[3]);
- break;
- }
- default:
- break;
- }
-
- if (info->io.viewportId >= 0)
- viewport = getScratch();
- else
- viewport = NULL;
-
- for (ip = 0; ip < code->scan.num_instructions; ++ip) {
- if (!handleInstruction(&code->insns[ip]))
- return false;
- }
-
- if (!BindArgumentsPass(*this).run(prog))
- return false;
-
- return true;
-}
-
-} // unnamed namespace
-
-namespace nv50_ir {
-
-bool
-Program::makeFromTGSI(struct nv50_ir_prog_info *info,
- struct nv50_ir_prog_info_out *info_out)
-{
- tgsi::Source src(info, info_out, this);
- if (!src.scanSource())
- return false;
- tlsSize = info_out->bin.tlsSpace;
-
- Converter builder(this, &src, info_out);
- return builder.run();
-}
-
-} // namespace nv50_ir
projects / platform / upstream / mesa.git / commitdiff